Question

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

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

Answer 1

5.31 sqare centimeters

Answer 2

Thanks Arnab

Answer 3

this is just like the last one.

A = pi(r^2)

r = diameter /2 = 2.6 / 2 = 1.3

A = 3.14 (1.3^2)
A = 5.31 cm^2 (note two numbers after the decimal to round to the nearest hundredth)