Question

Find the area and circumference. round to the nearest tenth​

Answer 1

`A=615.75 \text{ in}^2`

`C=87.96 \text{ in}`

Explanation:

We can find the area and circumference of this circle by plugging the given radius length (14 in) into the area and circumference formulas.

`A=\pi r^2`

`A=\pi (14)^2`

`\boxed{A=196\pi \text{ in}^2}`

`\boxed{A\approx 615.75}`

`C=2\pi r`

`C = 2\pi(14)`

`\boxed{C=28\pi \text{ in}}`

`\boxed{C\approx87.96}`

Remember that the units for area are length² because it involves multiplying a length by a length (in this case, squaring the radius), while the units for circumference (perimeter) are just length because circumference is the distance around the outside of the circle.