A certain coin is a circle with diameter 42 mm. What is the exact area of each side of the coin? The exact area of each side of the coin is mm. (Simplify your answer. Type an exact answer in terms of .

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asked Jul 5, 2022 69.0k views

25 votes

A certain coin is a circle with diameter 42 mm. What is the exact area of each side of the coin?

The exact area of each side of the coin is mm.
(Simplify your answer. Type an exact answer in terms of .)

Mathematics
high-school

Youssif Saeed asked

by Youssif Saeed

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2 Answers

9 votes

Answer:

A≈1.39×10-3m²

Explanation:

GAgnew answered Jul 6, 2022

by GAgnew

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8 votes

The area of a circle is r^2 x PI

r is half the diameter = 21mm

Area = 21^2 x PI

area = 441pi

Mukesh Garg answered Jul 11, 2022

by Mukesh Garg

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