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E M B I B E
Mathematics for Class 9
>
Chapter 8 - Quadrilaterals
>
EXERCISE 8.2
>
Q 9
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MEDIUM
9th Manipur Board
IMPORTANT
Earn 100
A
B
C
is an isosceles triangle in which
A
B
=
A
C
and
D
,
E
,
F
are midpoints of the sides
B
C
,
C
A
,
A
B
respectively. Prove that
A
D
and
E
F
bisect one another at right angles.
Important Questions on Quadrilaterals
MEDIUM
9th Manipur Board
IMPORTANT
Mathematics for Class 9
>
Chapter 8 - Quadrilaterals
>
EXERCISE 8.2
>
Q 10
A
B
C
D
is a trapezium in which
A
B
∥
C
D
. If
P
and
Q
are midpoints of
A
D
and
B
C
respectively, prove that
P
Q
∥
A
B
and
P
Q
=
1
2
(
A
B
+
C
D
)
.