Question

CHAPTER 8 NEED HELP!!!!

Find the area of each. Use your calculator's value of [pi]. Round your answer to the nearest tenth.

Answer 1

58.1

Explanation:

8.6 is your diameter. You need to find the radius first which is always half of you diameter. Knowing that your radius is 4.3.

The formula you use for area is:

a =
`\pi`r²

a =
`\pi`4.3²

a = 58.08805

Rounded to the nearest tenth is:

58.1