Question

The diameter of a circle is 2.6 inches. What is the circle's area?

Use 3.14 for Pi and round your answer to the nearest hundredth.

Answer 1

12.82in
`^(2)`

Explanation:

The formula for area of a circle is πr2. 2 as in squared. The diameter is twice the length of the radius r. 2.6/2=1.3. Using 3.14 for pi, we get 1.3*3.14^2=12.81748, which rounded to the nearest hundredth is 12.82.