Question

Use the grid to estimate the area of the circle.

diameter of 3 centimeters
area: about
cm?

Answer 1

About 28.27

Step-by-step explanation:

Formula for area of circle is: πr^2

R= 3, given in the question

3^2 = 9

Answer 9 π = about 28.27

Hope this helped!

Answer 2

Given that the diameter of the circle is 3 centimeters.

We need to determine the area of the circle.

Radius of the circle:

The radius of the circle is given by

`r=(d)/(2)`

`r=(3)/(2)=1.5 \ cm`

Thus, the radius of the circle is 1.5 cm

Area of the circle:

The area of the circle can be determined using the formula,

`A=\pi r^2`

Substituting
`\pi=3.14` and
`r=1.5`, we get;

`A=(3.14)(1.5)^2`

`A=7.1 \ cm^2`

Thus, the area of the circle is 7.1 cm²