Question

A
Voi: ABCD is a parallelogram.
If <D = 100° Find the value
of <A «B and c
B
с C​

Answer 1

Answer:

ABCD is a parallelogram.

Angle D = Angle B = 100' ( opposite angles )

Angle A = 180 - 100 = 80' ( sum of angles )

Angle C = Angle A = 80' ( opposite angles )

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Answer 2

Answer:

parallolegram opposite side are equal

angle D=100, angle B= 100

because parallelogram area equal

angle B=100

180-100 =180