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What is the area of a circle with a radius of 2.1cm? Use 3.14 for π.

User Erodewald
by
5.2k points

2 Answers

1 vote

Answer:

A= 13.8474

Explanation:

The formula for the area of a circle is A= πr^2 (pi times r, or radius, squared).

So if you insert the values into the formula you have....

A= 3.14(2.1 cm)^2

You can use a calculator from there to get....

A= 13.8474

User Mike Comstock
by
5.5k points
6 votes

Answer: I got's you lol

A≈13.85cm²

And the radius is 2.1

Explanation:

Hope this helps let me know :)

User Nathan Fraenkel
by
5.4k points