PLEASE HELP In the diagram below, DE and EF are tangent to O. What is the measure of ∠DEF? A. 58° B. 126° C. 63° D. 117°

asked Apr 22, 2019 168k views

5 votes

PLEASE HELP

In the diagram below, DE and EF are tangent to O. What is the measure of ∠DEF?

A. 58°
B. 126°
C. 63°
D. 117°

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5 votes

Answer:

The answer is 63 :D

Explanation:

Shih answered Apr 24, 2019

by Shih

5.4k points

3 votes

Answer:

C. 63°

Explanation:

<E = 1/2 (243 - 117)

<E = 1/2 (126)

< E = 63

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