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2 votes
∠ABD is formed by a tangent and a secant intersecting outside of a circle. If minor arc AC = 72° and minor arc CD = 132°, what is the measure of ∠ABD?

A) 30°
B) 36°
C) 42°
D) 48°

User Nunop
by
8.1k points

2 Answers

7 votes

Answer:

c 42 degrees

Explanation:

User Bill Nadeau
by
8.4k points
5 votes
A is correct:

m∠ABD=1/2(mCD-mAC)

m∠ABD=1/2(132-72)

m∠ABD=1/2(60)=30
User Xavier Sky
by
8.2k points
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