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Mashcka [7]
3 years ago
6

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

Mathematics
2 answers:
tester [92]3 years ago
8 0

Answer:

A= 13.8474

Step-by-step explanation:

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

So if you <u>insert the values into the formula</u> you have....

A= 3.14(2.1 cm)^2

You can use a <em>calculator</em> from there to get....

A= 13.8474

saul85 [17]3 years ago
3 0

Answer: I got's you lol

A≈13.85cm²

And the radius is 2.1

Step-by-step explanation:

Hope this helps let me know :)

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