A circular plate has circumference 18.2 inches. What is the area of this plate? Use 3.14 for pi.

Question

Bronson Noble

Mathematics

11 October, 17:03

A circular plate has circumference 18.2 inches. What is the area of this plate? Use 3.14 for pi.

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Answers (1)

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Sharon Baker · Answer 1

26.22in²

Step-by-step explanation:

First get the radius using the formula of a circumference.

C = 2πr = 18.2

2 (3.14) r = 18.2

6.28r = 18.2

Divide both sides by 6.28 to get r

r = 2.89

Now get the area of a circle using the formula:

A = πr²

A = 3.14 (2.89) ²

A = 3.14 (8.35)

A = 26.22in²