EduSahara™ Assignment
Name : Congruence of Triangles
Chapter : Triangles
Grade : ICSE Grade IX
License : Non Commercial Use
Question
1
1.
Identify the property by which the two given triangles are congruent
(i)
SAS Congruency
(ii)
SSS Congruency
(iii)
ASA Congruency
(iv)
RHS Congruency
Question
2
2.
Identify the property by which the two given triangles are congruent
(i)
SSS Congruency
(ii)
RHS Congruency
(iii)
SAS Congruency
(iv)
ASA Congruency
Question
3
3.
Identify the property by which the two given triangles are congruent
(i)
SSS Congruency
(ii)
ASA Congruency
(iii)
RHS Congruency
(iv)
SAS Congruency
Question
4
4.
Identify the property by which the two given triangles are congruent
(i)
SSS Congruency
(ii)
SAS Congruency
(iii)
ASA Congruency
(iv)
RHS Congruency
Question
5
5.
Which of the following are true?
a)
Any two triangles are similar.
b)
Any two circles are similar.
c)
Any two circles are congruent.
d)
Any two triangles are congruent.
e)
Any two squares are congruent.
f)
Any two squares are similar.
(i)
{c,f}
(ii)
{b,f}
(iii)
{a,f,b}
(iv)
{a,b}
(v)
{d,e,b}
Question
6
6.
Which of the following are true?
a)
A sector is a polygonal region.
b)
A semi-circle is a polygonal region.
c)
A square is a polygonal region.
d)
A circle is a polygonal region.
e)
A triangle is a polygonal region.
(i)
{c,e}
(ii)
{b,e}
(iii)
{b,e,c}
(iv)
{a,c}
(v)
{d,a,c}
Question
7
7.
Which of the following are true?
a)
If two figures are congruent, then they are similar too.
b)
Similar and congruent are not synonymous.
c)
Similar figures have same area.
d)
Congruent figures have same area.
e)
If two figures are similar, then they are congruent too.
(i)
{c,a,b}
(ii)
{c,e,d}
(iii)
{e,b}
(iv)
{a,b,d}
(v)
{c,a}
Question
8
8.
Which of the following are true?
a)
Area of the union of two polygonal region is the sum of the individual area.
b)
A polygonal region can be divided into a finite number of triangles in a unique way.
c)
Area of a convex polygonal region is equal to the sum of the areas of all triangles formed by joining the vertices of the polygon with an interior point.
d)
Area of the union of two polygonal region is not equal to the sum of the individual area.
(i)
{a,b,c}
(ii)
{c,d}
(iii)
{a,d,c}
(iv)
{b,d}
(v)
{a,c}
Question
9
9.
In the given figure, the area of the △IJK is x sq.cm. L,M,N are the mid-points of the sides JK , KI and IJ respectively. The area of the △LMN is
(i)
3
4
of area of △IJK
(ii)
1
3
of area of △IJK
(iii)
1
4
of area of △IJK
(iv)
2
3
of area of △IJK
(v)
1
2
of area of △IJK
Question
10
10.
If the ratio of the bases of two triangles is G : H and the ratio of the corresponding heights is I : J , the ratio of their areas in the same order is
(i)
GJ : HI
(ii)
HI : GJ
(iii)
GH : IJ
(iv)
GI : HJ
(v)
IJ : GH
Question
11
11.
In the given figure, points G , H and I are the mid-points of sides EF, FD and DE of △DEF. Which of the following are true?
a)
Area of trapezium
EFHI
is
1
4
the area of
△DEF
b)
Area of
△DEF
=
1
3
area of
△GHI
c)
Area of △DEF = 4 times area of △GHI
d)
Area of trapezium EFHI is thrice the area of △DIH
e)
All four small triangles have equal areas
(i)
{a,c,d}
(ii)
{a,c}
(iii)
{c,d,e}
(iv)
{a,b,e}
(v)
{b,d}
Question
12
12.
In the given figure, points J , K and L are the mid-points of sides HI, IG and GH of △GHI. Which of the following are true?
a)
△GLK ≅ △JLK
b)
△GLK ≅ △KJI
c)
△LHJ ≅ △GLK
d)
△LHJ ≅ △JKL
e)
△GLK ≅ △JKL
(i)
{b,c,d,e}
(ii)
{a,e,b}
(iii)
{a,b}
(iv)
{a,d}
(v)
{a,c}
Question
13
13.
In the given figure, which of the following is true?
(i)
△FGH ≅ △SQR
(ii)
△FGH ≅ △SRQ
(iii)
△FGH ≅ △QRS
(iv)
△GHF ≅ △QRS
(v)
△FGH ≅ △RSQ
Question
14
14.
In the given figure, △CDE ≅ △VUT. Which of the following are true?
a)
∠V = 67°
b)
∠U = 53°
c)
∠T = 59°
d)
∠T = 67°
e)
∠V = 53°
f)
∠U = 59°
(i)
{e,b}
(ii)
{a,b,c}
(iii)
{f,d,c}
(iv)
{e,a,b}
(v)
{d,a}
Question
15
15.
In the given figure, △DEF ≅ △RST. Which of the following are true?
a)
ST = 13 cm
b)
TR = 16 cm
c)
RS = 16 cm
d)
RS = 13 cm
e)
TR = 12 cm
f)
ST = 16 cm
(i)
{f,b,e}
(ii)
{b,a}
(iii)
{d,a,c}
(iv)
{d,c}
(v)
{a,c,e}
Question
16
16.
In the given figure, which of the following is true?
(i)
△DGF ≅ △DEF
(ii)
△DGF ≅ △EFD
(iii)
△DFG ≅ △DFE
(iv)
△DFG ≅ △FDE
(v)
△DFG ≅ △DEF
Question
17
17.
With the data in the given figure, △GHJ ≅ △GIJ by which property?
(i)
SAS Congruency
(ii)
RHS Congruency
(iii)
not congruent
(iv)
SSS Congruency
(v)
ASA Congruency
Question
18
18.
With the data in the given figure, △OIH ≅ △OGF by which property?
(i)
not congruent
(ii)
ASA Congruency
(iii)
SAS Congruency
(iv)
RHS Congruency
(v)
SSS Congruency
Question
19
19.
With the given data in the figure, △HGJ ≅ △IFJ by which property?
(i)
RHS Congruency
(ii)
SSS Congruency
(iii)
not congruent
(iv)
ASA Congruency
(v)
SAS Congruency
Question
20
20.
With the given data in the figure, △HIJ ≅ △JKH by which property?
(i)
SAS Congruency
(ii)
ASA Congruency
(iii)
RHS Congruency
(iv)
not congruent
(v)
SSS Congruency
Question
21
21.
With the given data in the figure, △IJK ≅ △LKJ by which property?
(i)
not congruent
(ii)
ASA Congruency
(iii)
SSS Congruency
(iv)
RHS Congruency
(v)
SAS Congruency
Question
22
22.
With the given data in the figure, △SCD ≅ △RDC by which property?
(i)
RHS Congruency
(ii)
ASA Congruency
(iii)
SSS Congruency
(iv)
SAS Congruency
(v)
not congruent
Question
23
23.
With the data in the given figure, △GJO ≅ △HIO by which property?
(i)
RHS Congruency
(ii)
not congruent
(iii)
ASA Congruency
(iv)
SAS Congruency
(v)
SSS Congruency
Question
24
24.
With the data in the given figure, △ADC ≅ △ABC by which property?
(i)
SSS Congruency
(ii)
SAS Congruency
(iii)
not congruent
(iv)
RHS Congruency
(v)
ASA Congruency
Question
25
25.
With the data in the given figure, △RMN ≅ △QNM by which property?
(i)
RHS Congruency
(ii)
SAS Congruency
(iii)
SSS Congruency
(iv)
ASA Congruency
(v)
not congruent
Question
26
26.
With the data in the given figure, △TGH ≅ △UHG by which property?
(i)
SSS Congruency
(ii)
SAS Congruency
(iii)
RHS Congruency
(iv)
not congruent
(v)
ASA Congruency
Question
27
27.
In the given figure, △KIJ is an isosceles triangle. HL ⟂ IJ passing through K. △HKI ≅ △HKJ by which property?
(i)
ASA Congruency
(ii)
SAS Congruency
(iii)
RHS Congruency
(iv)
not congruent
(v)
SSS Congruency
Question
28
28.
In the given figure, JKLM is a square and △RJK is an equilateral triangle. △RMJ ≅ △RLK by which property?
(i)
SAS Congruency
(ii)
RHS Congruency
(iii)
not congruent
(iv)
ASA Congruency
(v)
SSS Congruency
Question
29
29.
With the data in the given figure, △FGI ≅ △FHJ by which property?
(i)
ASA Congruency
(ii)
SAS Congruency
(iii)
not congruent
(iv)
RHS Congruency
(v)
SSS Congruency
Question
30
30.
With the data in the given figure, △CFD ≅ △CFE by which property?
(i)
SSS Congruency
(ii)
SAS Congruency
(iii)
not congruent
(iv)
ASA Congruency
(v)
RHS Congruency
Question
31
31.
With the data in the given figure, △KML ≅ △LNK by which property?
(i)
not congruent
(ii)
SSS Congruency
(iii)
RHS Congruency
(iv)
ASA Congruency
(v)
SAS Congruency
Question
32
32.
With the data in the given figure, △IJM ≅ △IKL by which property?
(i)
SSS Congruency
(ii)
ASA Congruency
(iii)
SAS Congruency
(iv)
not congruent
(v)
RHS Congruency
Question
33
33.
In the given figure, △CDE is an obtuse angled triangle. △CDF ≅ △EDF by which property?
(i)
ASA Congruency
(ii)
SSS Congruency
(iii)
not congruent
(iv)
SAS Congruency
(v)
RHS Congruency
Question
34
34.
With the data in the given figure, △EOF ≅ △EOG by which property?
(i)
ASA Congruency
(ii)
not congruent
(iii)
SSS Congruency
(iv)
RHS Congruency
(v)
SAS Congruency
Question
35
35.
With the data in the figure, △GJH ≅ △IJH by which property?
(i)
SSS Congruency
(ii)
SAS Congruency
(iii)
ASA Congruency
(iv)
not congruent
(v)
RHS Congruency
Question
36
36.
With the data in the figure, △GJH ≅ △GJI by which property?
(i)
not congruent
(ii)
RHS Congruency
(iii)
SAS Congruency
(iv)
ASA Congruency
(v)
SSS Congruency
Question
37
37.
With the data in the figure, △HKI ≅ △JKI by which property?
(i)
not congruent
(ii)
ASA Congruency
(iii)
SSS Congruency
(iv)
SAS Congruency
(v)
RHS Congruency
Question
38
38.
With the data in the figure, △JKM ≅ △JLM by which property?
(i)
ASA Congruency
(ii)
SAS Congruency
(iii)
SSS Congruency
(iv)
not congruent
(v)
RHS Congruency
Question
39
39.
With the data in the figure, △BEC ≅ △CDB by which property?
(i)
not congruent
(ii)
ASA Congruency
(iii)
RHS Congruency
(iv)
SSS Congruency
(v)
SAS Congruency
Question
40
40.
With the data in the figure, △KNL ≅ △KNM by which property?
(i)
ASA Congruency
(ii)
RHS Congruency
(iii)
SSS Congruency
(iv)
SAS Congruency
(v)
not congruent
Question
41
41.
With the data in the figure, △BOC ≅ △EOD by which property?
(i)
RHS Congruency
(ii)
not congruent
(iii)
SSS Congruency
(iv)
SAS Congruency
(v)
ASA Congruency
Question
42
42.
With the data in the figure, △EFH ≅ △FEG by which property?
(i)
ASA Congruency
(ii)
RHS Congruency
(iii)
SAS Congruency
(iv)
SSS Congruency
(v)
not congruent
Question
43
43.
With the data in the figure, △FHI ≅ △HFG by which property?
(i)
SAS Congruency
(ii)
ASA Congruency
(iii)
RHS Congruency
(iv)
SSS Congruency
(v)
not congruent
Question
44
44.
With the data in the figure, △GJH ≅ △GJI by which property?
(i)
RHS Congruency
(ii)
ASA Congruency
(iii)
SAS Congruency
(iv)
not congruent
(v)
SSS Congruency
Question
45
45.
With the data in the figure, △CFD ≅ △DEC by which property?
(i)
ASA Congruency
(ii)
RHS Congruency
(iii)
SSS Congruency
(iv)
SAS Congruency
(v)
not congruent
Question
46
46.
With the data in the figure, △GOH ≅ △IOJ by which property?
(i)
SSS Congruency
(ii)
SAS Congruency
(iii)
RHS Congruency
(iv)
not congruent
(v)
ASA Congruency
Question
47
47.
With the data in the figure, △EOF ≅ △GOH by which property?
(i)
SSS Congruency
(ii)
not congruent
(iii)
ASA Congruency
(iv)
SAS Congruency
(v)
RHS Congruency
Question
48
48.
With the data in the figure, △EFH ≅ △FEG by which property?
(i)
RHS Congruency
(ii)
SSS Congruency
(iii)
SAS Congruency
(iv)
ASA Congruency
(v)
not congruent
Question
49
49.
With the data in the figure, △FGI ≅ △JHI by which property?
(i)
not congruent
(ii)
SSS Congruency
(iii)
RHS Congruency
(iv)
SAS Congruency
(v)
ASA Congruency
Question
50
50.
With the data in the figure, △EFH ≅ △GFH by which property?
(i)
not congruent
(ii)
SAS Congruency
(iii)
ASA Congruency
(iv)
RHS Congruency
(v)
SSS Congruency
Question
51
51.
With the data in the figure, △EFI ≅ △FEJ by which property?
(i)
ASA Congruency
(ii)
SSS Congruency
(iii)
SAS Congruency
(iv)
not congruent
(v)
RHS Congruency
Question
52
52.
With the data in the figure, △CEF ≅ △CED by which property?
(i)
RHS Congruency
(ii)
not congruent
(iii)
SSS Congruency
(iv)
SAS Congruency
(v)
ASA Congruency
Question
53
53.
With the data in the figure, △DHG ≅ △EHF by which property?
(i)
SSS Congruency
(ii)
SAS Congruency
(iii)
not congruent
(iv)
RHS Congruency
(v)
ASA Congruency
Question
54
54.
With the data in the figure, △NOR ≅ △NPS by which property?
(i)
RHS Congruency
(ii)
SSS Congruency
(iii)
ASA Congruency
(iv)
SAS Congruency
(v)
not congruent
Question
55
55.
With the data in the given figure, △LMO ≅ △NMO by which property?
(i)
ASA Congruency
(ii)
SSS Congruency
(iii)
RHS Congruency
(iv)
SAS Congruency
(v)
not congruent
Question
56
56.
With the data in the given figure, △NOQ ≅ △ONP by which property?
(i)
SAS Congruency
(ii)
ASA Congruency
(iii)
not congruent
(iv)
RHS Congruency
(v)
SSS Congruency
Question
57
57.
With the data in the given figure, △NOQ ≅ △PQO by which property?
(i)
ASA Congruency
(ii)
SSS Congruency
(iii)
RHS Congruency
(iv)
SAS Congruency
(v)
not congruent
Question
58
58.
With the data in the given figure, △NOQ ≅ △POQ by which property?
(i)
RHS Congruency
(ii)
SSS Congruency
(iii)
SAS Congruency
(iv)
not congruent
(v)
ASA Congruency
Question
59
59.
In the given figure, which pair of triangles are not congruent ?
(i)
fig 1
(ii)
fig 2
(iii)
fig 4
(iv)
fig 3
Question
60
60.
In the given figure, which pair of triangles are not congruent ?
(i)
fig 3
(ii)
fig 2
(iii)
fig 4
(iv)
fig 1
Question
61
61.
In the given figure, which pair of triangles are not congruent ?
(i)
fig 1
(ii)
fig 4
(iii)
fig 2
(iv)
fig 3
Assignment Key
1) (i)
2) (iv)
3) (i)
4) (iv)
5) (ii)
6) (i)
7) (iv)
8) (ii)
9) (iii)
10) (iv)
11) (iii)
12) (i)
13) (iii)
14) (ii)
15) (v)
16) (iv)
17) (ii)
18) (ii)
19) (iv)
20) (ii)
21) (v)
22) (i)
23) (iv)
24) (i)
25) (i)
26) (ii)
27) (ii)
28) (i)
29) (i)
30) (i)
31) (iii)
32) (v)
33) (ii)
34) (ii)
35) (iv)
36) (i)
37) (i)
38) (iv)
39) (i)
40) (v)
41) (ii)
42) (v)
43) (v)
44) (iv)
45) (v)
46) (iv)
47) (ii)
48) (v)
49) (i)
50) (i)
51) (iv)
52) (ii)
53) (iii)
54) (v)
55) (v)
56) (iii)
57) (v)
58) (iv)
59) (iv)
60) (iii)
61) (i)