ou find x, y, z in the
in the big if PQRS is a
Parallelogram. S
y
Z
100
PA
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ANSWER
PQRS is a parallelogram
We know that, sum of adjacent angles of parallelogram is 180
o
.
∴ ∠QPS+∠PSR=180
o
⇒ x+110
o
=180
o
⇒ x=70
o
We know that, opposite angles of a parallelogram are equal.
∴ x=y=70
o
and z=110
o
⇒ ∠PSR+∠PST=180
o
[ Linear pair ]
⇒ 110
o
+w=180
o
⇒ w=70
o
We get, x=70
o
,y=70
o
,z=110
o
and w=70
o
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