What is the area and circumference of a small circle 10 inches in diameter?

Area = Pi multiplied by the radius squared

Circumference = Pi multiplied by the diameter

r = 10 in./2 = 5 in.

A = (3.1415)(5 in.)(5 in.)

= 78.54 in.2

C = (3.1415)(10 in.)

= 31.42 in.

Therefore, a small circle with a diameter of 10 inches has an area of about 78.54 inches squared and a circumference of about 31.42 inches.