Question

What is the area of a circle 3.102 cm in diameter? (note: the units will be cm2, you only need to enter the number)?

Answer 1

Area of a circle is pi radius square
diameter= 3.102
radius=diameter/2=3.102/2=1.551
A=3.14 (1.551)^2=7.554cm^2

Answer 2

Area of a circle = pi*r^2, where r is the radius.

r = diameter/2
= 3.102/2
= 1.551

A = pi*1.551^2
= 7.557 cm^2