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denis23 [38]
3 years ago
11

The diameter of a circle is 14 ft. Find its area to the nearest tenth.

Mathematics
2 answers:
Hunter-Best [27]3 years ago
4 0

Answer:

The answer is <em>153.9</em>

Step-by-step explanation:

To get the answer we will first <em>divide 14 by 2</em> because we are trying to find the area.  14 ÷ 2 = <em>7.</em>  Now multiply<em> 7 x 7 x π</em>, which equals<em> 154.9</em> rounded to the nearest tenth.

Leokris [45]3 years ago
3 0

Answer:

153.9 ft.²

Step-by-step explanation:

A=\pi r^2 where r is the radius of the circle

The radius is equal to half the diameter, so to find r, divide 14 ft. by 2:

14÷2=7

Plug 7 into the equation as r

A=\pi (7)^2\\A=\pi (49)\\A=153.9

Therefore, the area of the circle is 153.9 ft.² when rounded to the nearest tenth.

I hope this helps!

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