Question

ABCD is a parallelogram in which ∠A = 70°. Compute ∠B, ∠C and ∠D.

Answer 1

Opposite angles of llgm are equal. So,
A=C=70°
and,
B=D
In llgm ABCD
A+B+C+D=360°
70+B+70+B=360°
2B=360°-140
B=220/2
B=110°
Hence,
B=110°
C=70°
D=110°

Answer 2

Step-by-step explanation:

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