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AB is a tangent to circle C. Find mA

AB is a tangent to circle C. Find mA
asked 149k views
3 votes
AB is a tangent to circle C. Find mA

AB is a tangent to circle C. Find mA-example-1
asked
User Corlaez
by
7.6k points

1 Answer

2 votes

hello

sum of a triangle's inner angles are 180°, hence;

A = 180 - (42 + 90) = 48°

answered
User Qylin
by
8.3k points
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