Answer:
C.
Explanation:
Given:
θ = 45°
Radius (r) = 20 ft
Required:
Area of the sector
Solution:
Area of the sector of a circle = θ/360 × πr²
Plug in the values into the formula
Area = 45/360 × π × 20²
Area = 1/8 × π × 400
Area = 157.079633
Area = 157.1 ft² (nearest tenth)
