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maw [93]
3 years ago
7

In parallelogram ABCD, find m∠A. A) 15° B) 70° C) 110° D) 200°

Mathematics
1 answer:
hram777 [196]3 years ago
8 0
 You might know this property of parallelogram that "<span>Consecutive angles are supplementary" i.e A + D = 180. So 6x + 20 + 4x + 10 = 180. 10x = 150. x= 15. Therefore </span>∠A = 6x + 20 = 6( 15) + 20 = 110°. so option C is correct.
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