Question

Please help the teacher wasn’t even here to teach us this

Answer 1

Answer: 169.65

Explanation:

Area of circle = πr² = 81π

Acute angle of TVU = 360 - 240 = 120°

Area of sector TVU =
`(120)/(360) \pi * 9^2` = 27π

Shaded area = 81π - 27π = 54π = 169.65

Answer 2

182

Explanation:

A= 1/2r^2Θ

= 1/2π *81*4π/3

=58π

=58*22/7

= 182