Use 3.14 for pi to estimate the area of a circle. The diameter is given. Round your answer to the nearest hundredth if necessary

Answer 1

The area of a circle is pi multiplied by the radius squared. The radius is half of the diameter, so the area is 3.14 multiplied by (diameter/2) squared. If the diameter is 10, the area is 3.14 multiplied by (10/2) squared, which is 3.14 multiplied by 25, which is 78.5. Rounded to the nearest hundredth, the area is 78.50.