Question

ABCD is a parallelogram. Angle B = 100 degrees. find other angles​

Answer 1

Answer:

Given ABCD is a parallelogram.

The sum of co-interior angles is always 180°.

Given ∠B=100°

and, ∠B+∠C=180°

⇒∠C=80°

The opposite angles of a parallelogram are equal

i.e, ∠A=∠C=80°

∴ Sum ∠A+∠C=80°+80°=160°Ans

Step-by-step explanation:

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