A circle has a central angle measuring 90° that intersects an arc of length 117.75 inches.
2 answers:
Answer:
Radius = 75 inches .
Step-by-step explanation:
Given : A circle has a central angle measuring 90° that intersects an arc of length 117.75 inches.
To find : what is the length of the radius of the circle.
Solution : We have given
Central angle = 90°
Arc of length = 117.75 inches.
Arc length = .
Plug the values
Theta = 90 , pi = 3.14 , arc length = 117.75 .
117 .75 = .
117 .75 =
On multiplying both sides 4
117.75 * 4 = 2 * 3.14 * radius .
471 = 6 .28 * radius .
On dividing both sides by 6.28
radius = .
Radius = 75 inches .
Therefore, Radius = 75 inches .
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