Question

Find the circumference and area of each circle. Round to the nearest hundredth.

4 in.

45 m

Answer 1

2. 50.27in^2 area, 25.13in circumference

3. 1590.43m^2 area, 141.37m circumference

Explanation:

2)

Area: 3.14159*4^2 = 50.27in^2

Circumference: 2(4)*3.14159 = 25.13in

3)

Area: 3.14159*(45/2)^2=1590.43m^2

Circumference: 45*3.141592=141.37m