13-03-2018
Mathematics

contestada

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

What is mSU A 49 B 77 C 98 D 161 class=

Respuesta :

acworden72 acworden72

13-03-2018

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 =)

Answer Link

26-07-2019

Answer:

77 degrees (option B)

Step-by-step explanation:

Answer Link

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