Question

### Gauthmathier2019

Grade 12 · 2020-10-12

Good Question (51)

Answer

4.6(676) votes

### Gauthmathier1925

Grade 12 · 2020-10-12

Answer

254.34

Explanation

Let:

d = 18 \ \text{cm}

r = \frac{d}{2} = \frac{18}{2} = 9 \ \text{cm}

The formula for the area of a circle is A = \pi r^2 .

\begin{align*}\eqalign{

A &=\pi r^2 \\

A &=3.14(9)^2 \\

A &=3.14(81) \\

A &=254.34

}\end{align*}

The area of the circle is 254.34 \ \text{cm}^2 .

Thanks (192)

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