Asked by girija prasad lenka
Γ is a circle with radius 10 and center O. A and B are points on Γ such that the arc length ABˆ=13. What is the area of sector AOB?
Answers
Answered by
Steve
s = rθ
a = 1/2 r^2 θ = 1/2 r^2 (s/r)
you know r and s, so plug and chug
a = 1/2 r^2 θ = 1/2 r^2 (s/r)
you know r and s, so plug and chug
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