SOLUTION: Find the area of the sector given that the radius is 4.6 cm and the central angle, θ , is 2.9 radians.

Algebra ->  Trigonometry-basics -> SOLUTION: Find the area of the sector given that the radius is 4.6 cm and the central angle, θ , is 2.9 radians.       Log On


   

Question 456625: Find the area of the sector given that the radius is 4.6 cm and the central angle, θ , is 2.9 radians.
Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
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Find the area of the sector given that the radius is 4.6 cm and the central angle, θ , is 2.9 radians.
:
Find the area of the whole circle
A = pi%2A4.6%5E2
:
360 degrees = 2*pi radians
:
2.9%2F%282%2Api%29 * pi%2A4.6%5E2
pi cancels
2.9%2F%282%29 * 4.6%5E2 = 30.682 sq/cm