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What is mSU? A. 49 B. 77 C. 98 D. 161
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3 votes
What is mSU?
A. 49
B. 77
C. 98
D. 161

What is mSU? A. 49 B. 77 C. 98 D. 161-example-1
User Andy Fusniak
by
7.2k points

2 Answers

5 votes

Answer:

77 degrees (option B)

Explanation:

User Navneet Kumar
by
8.1k points
4 votes
The measure of an angle formed by a tangent and a secant intersecting outside the circle is equal to one-half the difference of its intercepted arcs.

T = 1/2 (RU - SU)
21 = 1/2(119 - SU)
42 = 119 - SU
77 = SU

The answer is B. 77

Hope this helps =)

User SerdarAtalay
by
8.3k points
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