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Byju's Answer
Standard IX
Mathematics
Trapezium
In the adjoin...
Question
In the adjoining figure, ABCD is a trapezium in which AB II DC. If
∠
A
=
55
∘
a
n
d
∠
B
=
70
∘
, find
∠
C
∠
D
.
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Solution
AB || DC we have
<A + <D = 180°
55°+ <D = 180°
<D = 180°-55°
= 125°
also,
<B + <C = 180°
70° + <C = 180 °
<C = 180°-70°
= 110°
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Q.
In the adjoining figure, ABCD is a trapezium in which AB || DC. If
∠A = 55° and ∠B = 70°, find ∠C and ∠D.