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Help please !!!
A. 90
B. 45
C. 0
D. 1

Help please !!! A. 90 B. 45 C. 0 D. 1-example-1

1 Answer

4 votes

Answer: C.0

x + 45 is the angle outside the circle of shield 2 arcs with measurements 55 and 145

=> x + 45 = 1/2.(145 - 55)

⇔ x + 45 = 1/2. 90

⇔ x + 45 = 45

⇔ x = 0

Explanation:

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