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In this circle, what is m∠A ?

Enter your answer in the box.

In this circle, what is m∠A ? Enter your answer in the box.-example-1
User Luke Moore
by
6.3k points

2 Answers

5 votes
3d - 6 + 96 = 180
3d + 90 = 180
3d = 90
d = 30
So
<A = 4d - 20
<A = 4(30) - 20
<A = 120 - 20
<A = 100

Answer
<A = 100°
User Narayan Acharya
by
6.2k points
5 votes


\huge\boxed{\sf 100 \textdegree}\\\\\\ \sf In\ a\ cyclic\ quadrilateral,\ the\ sum\ of \\ opposite\ angles\ is\ 180\ degrees.\\\\3d-6+96=180\\3d+90=180\\3d=90\\d=30\\\\Solve\ for\ \angle A \\\\4(30)-20=120-20=100

User Max Millington
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6.2k points