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The formula for the area of a circle is A = r 2. Classify the area of a circle with a radius of 0.75 centimeters as either rational or irrational. rational irrational
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The formula for the area of a circle is A = r 2. Classify the area of a circle with a radius of 0.75 centimeters as either rational or irrational. rational irrational

User Zia Ul Rehman
by
8.0k points

2 Answers

4 votes
The formula for a circle is actually
\pi r².

the answer would be 0.5625
\pi, which is irrational.
User Harsha M V
by
7.7k points
5 votes
So the formula for the area of a circle looks like this:

A= r^(2)
Let's plug in the values:

A= 0.75^(2)
Solve, and we are left with 0.5625

The answer is rational!

User Svrist
by
8.7k points
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