This exercise involves the formula for the area of a circular sector. find the area of a sector with central angle 3π/5 rad in a

Question

Nutka1998 [239]

3 years ago

5

This exercise involves the formula for the area of a circular sector. find the area of a sector with central angle 3π/5 rad in a

circle of radius 9 m. (round your answer to one decimal places.)

Mathematics

1 answer:

netineya [11] · Answer 1 · 2022-03-02T01:26:08+03:00

netineya [11]3 years ago

8 0

The formula of interest is
A = (1/2)r²·θ
You have r = 9 m, θ = 3π/5. Then the area is
A = (1/2)(9 m)²(3π/5) = 24.3π m²

The sector area is ...
A ≈ 76.3 m²