Question

D
P
e
9
80°
100°
7. The sides of the quadrilateral ABCD are produced
as shown in Fig. 10.7. Find the angles p, q, r and s, if
ZA = 70°, ZB = 100° and ZC = 80°.
8. Two angles of a quadrilateral are 70°, 110°. The other
two angles are in the ratio 4: 5. Find these angles.
70°
А
B
Fig. 10.7
1
Types of Quadrilaterals
In the previous class, we have learnt about types of quadrilaterals. Again we
types of quadrilaterals whose description is given below.
Parallelogram
S
Both the pair of oppo:
PQ || RS, QR || PS
R
P
+
Fig. 10.8
Pomollelogram with al​

Answer 1

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