Question

The area of a circle is 615.44 in2. What is the diameter of the circle? Use 3.14 for π.

Answer 1

area of circle = πr²

615.44 = 3.14 × r²

r² = 61544/314

r² = 196

r = 14.

therefore, diameter = 2r

diameter = 2 × 14 = 28 cm.

Answer 2

Answer:

Step-by-step explanation: