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HELP FAST PLS!

What is the measure of the indicated central angle?

A) 70 degrees

B) 80 degrees

C) 90 degrees

D) 110 degrees

E) None of the above

HELP FAST PLS What is the measure of the indicated central angle A 70 degrees B 80 degrees C 90 degrees D 110 degrees E None of the above class=

Respuesta :

Answer:

Step-by-step explanation:

Given,

r=3

arc=3/2*pi

we know that,arc=theta(angle)*2*Pi*r/360

theta*2*pi*3/360=3*pi/2

pi and 3 cancel on both sides

theta*2/360=1/2

theta/180=2

theta=180/2

Hence theta or the angle required=90 degrees(option C)

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