Question

Find area of a circle whose circumference is 100 ft

Answer 1

Circle area = π * r² = π * 2500 [ft²] ≈ 7854 [ft²]
π ≈ 3.14159265 ≈ 3.14
d = r * 2 = 50 [ft] * 2 = 100 [ft]

AREA : 7853.98 SQ FT