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A sector with an area of 11/2 pie cm has radius of 3 cm what is the central angle measure of a sector in degrees
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A sector with an area of 11/2 pie cm has radius of 3 cm what is the central angle measure of a sector in degrees

User Albert C Braun
by
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2 Answers

3 votes
A= 1/360 m•pi r^2

11/2= 1/360 m• pi (3)^2

11/2= 1/360 m• pi • 9
Divide 360 by 9

11/2= 1/40 m pi

Cross multiply

440=2pi m

Divide both sides by 2pi

m= 70.02817 degrees round if necessary
User Akahunahi
by
8.2k points
4 votes

Answer:

220

Explanation:

User Jonas Lejon
by
8.4k points
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