EduSahara™ Assignment
Name : Triangle Concepts
Chapter : Triangles
Grade : ICSE Grade VII
License : Non Commercial Use
Question
1
1.
Identify the figure below
(i)
nonagon
(ii)
triangle
(iii)
circle
(iv)
decagon
(v)
angle
Question
2
2.
The side opposite to the vertex
T
(i)
UV
(ii)
TX
(iii)
TU
(iv)
WU
(v)
VT
Question
3
3.
The side opposite to the vertex
F
(i)
EI
(ii)
GE
(iii)
EF
(iv)
FG
(v)
HF
Question
4
4.
The side opposite to the vertex
P
(i)
QO
(ii)
OP
(iii)
NR
(iv)
PN
(v)
NO
Question
5
5.
The vertex opposite to the side
ST
(i)
V
(ii)
R
(iii)
S
(iv)
TU
Question
6
6.
The vertex opposite to the side
LJ
(i)
J
(ii)
K
(iii)
N
(iv)
LM
Question
7
7.
The vertex opposite to the side
PQ
(i)
P
(ii)
R
(iii)
RS
(iv)
Q
Question
8
8.
The altitude corresponding to the side
CD
(i)
BF
(ii)
BE
(iii)
DG
(iv)
CF
(v)
BC
Question
9
9.
The altitude corresponding to the side
KI
(i)
KN
(ii)
IL
(iii)
JM
(iv)
IM
(v)
IJ
Question
10
10.
The altitude corresponding to the side
DE
(i)
EH
(ii)
DH
(iii)
FI
(iv)
DE
(v)
DG
Question
11
11.
The median corresponding to the side
LM
(i)
KL
(ii)
KO
(iii)
MP
(iv)
LO
(v)
KN
Question
12
12.
The median corresponding to the side
QO
(i)
OS
(ii)
PS
(iii)
QT
(iv)
OP
(v)
OR
Question
13
13.
The median corresponding to the side
IJ
(i)
IM
(ii)
JM
(iii)
IJ
(iv)
KN
(v)
IL
Question
14
14.
The sides of the triangle are
(i)
DE
,
EC
,
CD
(ii)
CE
,
EB
,
BC
(iii)
DF
,
FC
,
CD
(iv)
EF
,
FD
,
DE
(v)
CD
,
DB
,
BC
Question
15
15.
The name of the triangle is
(i)
△CDF
(ii)
△BCD
(iii)
△BCE
(iv)
△DEF
(v)
△CDE
Question
16
16.
The angles of the triangle are
(i)
∠B , ∠C , ∠E
(ii)
∠A , ∠B , ∠C
(iii)
∠C , ∠D , ∠E
(iv)
∠A , ∠B , ∠D
(v)
∠B , ∠C , ∠D
Question
17
17.
The vertices of the triangle are
(i)
C , D , E
(ii)
D , E , F
(iii)
C , D , F
(iv)
B , C , E
(v)
B , C , D
Question
18
18.
The exterior angles of the triangle are
(i)
∠TSQ , ∠UQR , ∠VRS
(ii)
∠UTR , ∠VRS , ∠WST
(iii)
∠SRP , ∠TPQ , ∠UQR
(iv)
∠STQ , ∠TQR , ∠URT
(v)
∠RSP , ∠SPQ , ∠TQS
Question
19
19.
The point of intersection of the altitudes of a triangle is called
(i)
orthocentre
(ii)
altitude
(iii)
centroid
(iv)
circumcentre
(v)
excentre
Question
20
20.
The point of intersection of the perpendicular bisectors of the sides of a triangle is called
(i)
circumcentre
(ii)
median
(iii)
altitude
(iv)
excentre
(v)
incentre
Question
21
21.
The point of intersection of the bisectors of the interior angles of a triangle is called
(i)
incentre
(ii)
centroid
(iii)
orthocentre
(iv)
median
(v)
altitude
Question
22
22.
The point of intersection of the bisectors of the interior angle and the two exterior opposite angles of a triangle is called
(i)
excentre
(ii)
circumcentre
(iii)
incentre
(iv)
orthocentre
(v)
altitude
Question
23
23.
The point of intersection of the medians of a triangle is called
(i)
circumcentre
(ii)
median
(iii)
orthocentre
(iv)
incentre
(v)
centroid
Question
24
24.
The line joining each vertex to the mid-point of the opposite side of a triangle is called
(i)
altitude
(ii)
incentre
(iii)
median
(iv)
centroid
(v)
excentre
Question
25
25.
The perpendicular drawn from each vertex to the opposite side of a triangle is called
(i)
median
(ii)
circumcentre
(iii)
incentre
(iv)
altitude
(v)
excentre
Question
26
26.
Which of the following may lie outside or on the triangle?
a)
orthocentre
b)
centroid
c)
incentre
d)
circumcentre
e)
excentre
(i)
{b,a,d}
(ii)
{c,d}
(iii)
{b,a}
(iv)
{a,d,e}
(v)
{b,c,e}
Question
27
27.
Sum of the interior angles in a triangle is
(i)
210°
(ii)
195°
(iii)
190°
(iv)
185°
(v)
180°
Question
28
28.
How many diagonals does a triangle have?
(i)
1
(ii)
2
(iii)
4
(iv)
0
(v)
3
Question
29
29.
Identify the points that are on the triangle
(i)
{G,J,M}
(ii)
{I,L,O}
(iii)
{O,G,J}
(iv)
{H,K,N}
(v)
{K,J,M}
Question
30
30.
Identify the points that are inside the triangle
(i)
{I,L,O}
(ii)
{J,M,Q}
(iii)
{K,N,Q}
(iv)
{L,M,P}
(v)
{J,M,P}
Question
31
31.
Identify the points that are outside the triangle
(i)
{U,T}
(ii)
{R,U}
(iii)
{P,S}
(iv)
{Q,T}
(v)
{S,U}
Question
32
32.
Consider the following figure. State which of the following statements are true
a)
KL
=
LM
b)
KL
≠
LM
c)
MK
=
KL
d)
LM
≠
MK
e)
MK
≠
KL
f)
LM
=
MK
(i)
{a,c,f}
(ii)
{d,a,c}
(iii)
{e,b,f}
(iv)
{d,c}
(v)
{b,a}
Question
33
33.
Consider the following figure. State which of the following statements are true
a)
GH
=
HF
b)
GH
≠
HF
c)
FG
=
GH
d)
HF
≠
FG
e)
HF
=
FG
f)
FG
≠
GH
(i)
{b,e,f}
(ii)
{c,b,e}
(iii)
{a,b}
(iv)
{c,e}
(v)
{d,a,f}
Question
34
34.
Consider the following figure. State which of the following statements are true
a)
LM
=
MK
b)
MK
≠
KL
c)
KL
≠
LM
d)
MK
=
KL
e)
KL
=
LM
f)
LM
≠
MK
(i)
{d,b,c}
(ii)
{b,c,f}
(iii)
{d,c}
(iv)
{e,a,f}
(v)
{a,b}
Question
35
35.
Consider the following figure. State which of the following statements are true
a)
∠L
≠
∠M
b)
∠K
=
∠L
c)
∠M
≠
∠K
d)
∠L
=
∠M
e)
∠K
≠
∠L
f)
∠M
=
∠K
(i)
{b,d,f}
(ii)
{c,b,d}
(iii)
{a,b}
(iv)
{c,d}
(v)
{e,a,f}
Question
36
36.
Consider the following figure. State which of the following statements are true
a)
∠D
≠
∠E
b)
∠E
≠
∠F
c)
∠F
≠
∠D
d)
∠D
=
∠E
e)
∠E
=
∠F
f)
∠F
=
∠D
(i)
{a,c,e}
(ii)
{d,c}
(iii)
{f,b,e}
(iv)
{b,a}
(v)
{d,a,c}
Question
37
37.
Consider the following figure. State which of the following statements are true
a)
∠G
≠
∠H
b)
∠H
≠
∠F
c)
∠H
=
∠F
d)
∠G
=
∠H
e)
∠F
≠
∠G
f)
∠F
=
∠G
(i)
{a,b,e}
(ii)
{d,a,b}
(iii)
{f,c,e}
(iv)
{c,a}
(v)
{d,b}
Assignment Key
1) (ii)
2) (i)
3) (ii)
4) (v)
5) (ii)
6) (ii)
7) (ii)
8) (ii)
9) (iii)
10) (iii)
11) (v)
12) (ii)
13) (iv)
14) (v)
15) (ii)
16) (ii)
17) (v)
18) (iii)
19) (i)
20) (i)
21) (i)
22) (i)
23) (v)
24) (iii)
25) (iv)
26) (iv)
27) (v)
28) (iv)
29) (i)
30) (v)
31) (ii)
32) (i)
33) (i)
34) (ii)
35) (i)
36) (i)
37) (i)