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SSSSS [86.1K]
2 years ago
5

To the nearest tenth, what is the area of a circle whose diameter is 4.4 feet?

Mathematics
2 answers:
Vaselesa [24]2 years ago
6 0

Answer:

15.21= 15.2 when rounded

Step-by-step explanation:

the formula for finding the area of a circle with the diameter is
A= 1/4 × π ×d^2

Aneli [31]2 years ago
5 0

Answer:

15.21

Step-by-step explanation:

In order to find the area, you must find the radius first.

The diameter (4.4) divided by 2 = radius (2.2)

The area of a circle is pi times the radius squared (A = \pi r^{2}).

In this situation, r, or radius =2.2.

A = \pi 2.2^{2}

\pi2.2^{2}= the area, 15.2053084434.

By rounding to the nearest hundredth, you get 15.21. The second number after the decimal is your hundredths place. If the number after the decimal is 4 or less, just remove all of the digits to the right. If it's five or more, like this case where it is 7, you add 1 to the hundredths place, then you remove all of the digits to the right.

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