Question

The area of a circle diameter =28

Answer 1

Step-by-step explanation:

Area of a circle in terms of radius:

Area = π·r2 = 3.14·142 = 615.8 square cm(*)

Area of a circle in terms of diameter:

Area = π·(d

2

)2 = 3.14·(28

2

)2 = 3.14·(14)2 = 615.8 square cm(*)

Area of a circle in terms of circumference:

Area = C2

4π

= 87.962

4π

= 7736.96

(4·3.14)

= 7736.96

12.56

= 615.8 square cm(*)