Question

Find the area of each circle to the nearest tenth, if necessary. Use 3.14 for π.

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Answer 1

The area of circle is 153.9 square meter

The area of circle is 78.5 square meter

Solution:

Given that,

We have to find the area of circle

The area of circle is given as:

$A = \pi r^2$

Where, "r" is the radius of circle

Figure 1

From figure,

Diameter = 14 m

$Radius = \frac{diameter}{2}\\\\Radius = \frac{14}{2}\\\\Radius = 7$

Thus,

$Area = 3.14 \times 7^2\\\\Area = 153.86$

$Area \approx 153.9$

Thus area of circle is 153.9 square meter

Figure 2

Radius = 5 feet

Therefore,

$Area = 3.14 \times 5^2\\\\Area = 78.5$

Thus area of circle is 78.5 square meter