In the given figure ABCD and AQRS, both are parallelogram If angle c is 50 degrees find the measure of the angleA ,angleQ , angleB, angleR , angleS and angleD.
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Answer:
Given ABCD is a parallelogram.
The co-interior angles are always 180°
Given ∠B=100°
i.e, ∠B+∠C=180°
⇒∠C=80°
The opposite angles of a parallelogram are equal
i.e, ∠A=∠C=80°
⇒∠B=∠D=100°
∴ Sum of ∠A+∠C=80°+80°=160°
Hence, the answer is 160°.
Step-by-step explanation:
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