Question

Answer both questions please

1.) The diameter of a circle is 10cm.What is the approximate circumference? Use 3.14 for pi


2.) The radius of a circle is 3 inches. What is the approximate area? Use 3.14 for pi.

Answer 1

31.4cm

Explanation:

C = 2*pi*r

2r = d

2r=10

r=5

C = 2*5*pi

C = 10*3.14

C = 31.4cm