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The length of an arc of a circle is 7.5 cm. The corresponding sector area is 37.5 cm squared. Find the radius of the circle​
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The length of an arc of a circle is 7.5 cm. The corresponding sector area is 37.5 cm squared. Find the radius of the circle​

User Boris Brodski
by
4.8k points

2 Answers

10 votes

Answer:

10 cm

Have a great day! :D

User Nicos Karalis
by
4.3k points
9 votes
R θ is the length = 7.5 cm

R^2 θ/2 is the area = 37.5 (cm)^2

Therefore

R = 2* 37.5 / 7.5 = 10 cm
User DomBurf
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4.9k points
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