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Mumz [18]
3 years ago
10

A round mirror has a radius of 5.3 inches. What is the area of the mirror in square inches, rounded to the nearest tenth?

Mathematics
1 answer:
GrogVix [38]3 years ago
7 0

Answer:

88.2 squared

Step-by-step explanation:

The formula to find the area of a circle is <em>a = pi * r ^2</em>

Let's replace the values that we know.

a = 3.14 x 5.3 ^2

First, we should do 5.3 ^2, which is 28.09.

a = 3.14 x 28.09

Now we are able to do 3.14 x 28.09 which is 88.2026

But that isn't it! We need to round to the nearest tenth, which is this digit:

88.<u>2</u>026

Since next to the 2 there is a 0, you take out all the numbers after that 2. Which leaves you with:

88.2

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