EduSahara™ Assignment
Name : Triangle Concepts
Chapter : Triangles
Grade : ICSE Grade IX
License : Non Commercial Use
Question
1
1.
The altitude corresponding to the side
MN
(i)
LM
(ii)
LP
(iii)
MP
(iv)
LO
(v)
NQ
Question
2
2.
The altitude corresponding to the side
GE
(i)
EH
(ii)
EI
(iii)
GJ
(iv)
FI
(v)
EF
Question
3
3.
The altitude corresponding to the side
GH
(i)
GH
(ii)
HK
(iii)
GK
(iv)
IL
(v)
GJ
Question
4
4.
The median corresponding to the side
QR
(i)
RU
(ii)
PQ
(iii)
PS
(iv)
QT
(v)
PT
Question
5
5.
The median corresponding to the side
HF
(i)
HK
(ii)
FI
(iii)
GJ
(iv)
FG
(v)
FJ
Question
6
6.
The median corresponding to the side
FG
(i)
HK
(ii)
FJ
(iii)
FI
(iv)
FG
(v)
GJ
Question
7
7.
The exterior angles of the triangle are
(i)
∠FEC , ∠GCD , ∠HDE
(ii)
∠DEB , ∠EBC , ∠FCE
(iii)
∠EDB , ∠FBC , ∠GCD
(iv)
∠CDA , ∠DAB , ∠EBD
(v)
∠DCA , ∠EAB , ∠FBC
Question
8
8.
The vertex opposite to the side
JK
(i)
KL
(ii)
I
(iii)
M
(iv)
J
Question
9
9.
The vertex opposite to the side
IG
(i)
K
(ii)
G
(iii)
H
(iv)
IJ
Question
10
10.
The side opposite to the vertex
G
(i)
HI
(ii)
GK
(iii)
JH
(iv)
IG
(v)
GH
Question
11
11.
The side opposite to the vertex
N
(i)
OM
(ii)
MQ
(iii)
NO
(iv)
PN
(v)
MN
Question
12
12.
The side opposite to the vertex
C
(i)
AE
(ii)
DB
(iii)
AB
(iv)
CA
(v)
BC
Question
13
13.
The vertex opposite to the side
OP
(i)
Q
(ii)
QR
(iii)
O
(iv)
P
Question
14
14.
The sides of the triangle are
(i)
KL
,
LJ
,
JK
(ii)
JL
,
LI
,
IJ
(iii)
JK
,
KI
,
IJ
(iv)
IK
,
KH
,
HI
(v)
IJ
,
JH
,
HI
Question
15
15.
The name of the triangle is
(i)
△JKM
(ii)
△KLM
(iii)
△IJL
(iv)
△IJK
(v)
△JKL
Question
16
16.
The angles of the triangle are
(i)
∠J , ∠K , ∠M
(ii)
∠K , ∠L , ∠M
(iii)
∠I , ∠J , ∠L
(iv)
∠J , ∠K , ∠L
(v)
∠I , ∠J , ∠K
Question
17
17.
The vertices of the triangle are
(i)
P , Q , S
(ii)
Q , R , T
(iii)
Q , R , S
(iv)
P , Q , R
(v)
R , S , T
Question
18
18.
The point of intersection of the altitudes of a triangle is called
(i)
orthocentre
(ii)
centroid
(iii)
median
(iv)
incentre
(v)
circumcentre
Question
19
19.
The point of intersection of the perpendicular bisectors of the sides of a triangle is called
(i)
centroid
(ii)
orthocentre
(iii)
excentre
(iv)
circumcentre
(v)
incentre
Question
20
20.
The point of intersection of the bisectors of the interior angles of a triangle is called
(i)
orthocentre
(ii)
excentre
(iii)
median
(iv)
incentre
(v)
centroid
Question
21
21.
The point of intersection of the bisectors of the interior angle and the two exterior opposite angles of a triangle is called
(i)
orthocentre
(ii)
median
(iii)
circumcentre
(iv)
centroid
(v)
excentre
Question
22
22.
The point of intersection of the medians of a triangle is called
(i)
excentre
(ii)
altitude
(iii)
centroid
(iv)
circumcentre
(v)
median
Question
23
23.
The line joining each vertex to the mid-point of the opposite side of a triangle is called
(i)
median
(ii)
incentre
(iii)
circumcentre
(iv)
orthocentre
(v)
altitude
Question
24
24.
The perpendicular drawn from each vertex to the opposite side of a triangle is called
(i)
orthocentre
(ii)
centroid
(iii)
incentre
(iv)
median
(v)
altitude
Question
25
25.
Which of the following may lie outside or on the triangle?
a)
circumcentre
b)
centroid
c)
excentre
d)
incentre
e)
orthocentre
(i)
{b,d,e}
(ii)
{d,c}
(iii)
{b,a,c}
(iv)
{b,a}
(v)
{a,c,e}
Question
26
26.
Sum of the interior angles in a triangle is
(i)
180°
(ii)
195°
(iii)
185°
(iv)
210°
(v)
190°
Question
27
27.
How many diagonals does a triangle have?
(i)
0
(ii)
4
(iii)
2
(iv)
3
(v)
1
Assignment Key
1) (iv)
2) (iv)
3) (iv)
4) (iii)
5) (iii)
6) (i)
7) (v)
8) (ii)
9) (iii)
10) (i)
11) (i)
12) (iii)
13) (i)
14) (v)
15) (iv)
16) (v)
17) (iv)
18) (i)
19) (iv)
20) (iv)
21) (v)
22) (iii)
23) (i)
24) (v)
25) (v)
26) (i)
27) (i)