A circle has a central angle measuring 3pi/4 radians that intersects an arc of length 45 in. What is the length of the radius of
the circle? Round your answer to the nearest tenth. Use 3.14 for pi
2.4in
19.1in
105.6in
135.0 in
2 answers:
Central angle = 3π / 4 radians
Length of the arc = (3 π / 4) (radius) = 45 in
=> radius = 45 in * 4 / (3π) = 45 * 4 / (3 * 3.14) in
radius = 19.1 in
Answer: 19.1 in
Answer:
19.1
Step-by-step explanation:
Answer B on ed2020
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