Can someone show me the process of doing this geometry problem

Answer:
b. 50π/3
Step-by-step explanation:
Use the formula for the area of a sector in terms of radius (r) and central angle (θ):
A = (1/2)r²·θ
Fill in the given values and do the arithmetic.
A = (1/2)(5 ft)²·(4π/3) = 50π/3 ft²