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M = 128° and m = 76°. What is m∠ABC?

M = 128° and m = 76°. What is m∠ABC?
78.9k views
1 vote
M = 128° and m = 76°. What is m∠ABC?

User Joost Schuur
by
8.3k points

2 Answers

2 votes

Answer:

D) 102

Explanation:

Angle ABC is an inscribed angle.

Inscribed angle = 1/2 * Intercepted Arc

The intercepted arc is arc CD + arc DA, which would be 128 + 76 = 204

m<ABC = 1/2(204)

m<ABC = 102 degrees

You answer is D) 102

User Caron
by
7.8k points
3 votes

Answer:

m<ABC = 102 degrees

User Christof
by
8.4k points
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