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Find the area of a circle with a radius of 2 .
Either enter an exact answer in terms of
pi or use 3.14 for
pi and enter your answer as a decimal.
units
^(2)

Find the area of a circle with a radius of $2$ . $\newline$ Either enter an exact answer in terms of $\pi$ or use $3$ . $14$ for $\pi$ and enter your answer as a decimal. $\newline$ $\square$ units $^{2}$

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Negative Exponents

Full solution

Q. Find the area of a circle with a radius of

2

.

\newline

Either enter an exact answer in terms of

\pi

or use

3

.

14

for

\pi

and enter your answer as a decimal.

\newline

\square

units

^{2}

Prompt: question_prompt: Find the area of a circle with a radius of $2$ units.
Formula: The formula for the area of a circle is $A = \pi r^2$ , where $A$ is the area and $r$ is the radius.
Plug in Radius: Plug in the radius $r = 2$ into the formula: $A = \pi(2)^2$ .
Calculate Area: Calculate the area: $A = \pi(4) = 4\pi$ .
Using $3$ . $14$ : If using $3.14$ for $\pi$ , then $A = 4 \times 3.14$ .
Perform Multiplication: Perform the multiplication: $A = 12.56$ .

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