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The radius of a circle is 10 m. Find its area to the nearest whole number.

I need help rn it’s a final I need it asap

2 Answers

3 votes

Given:

  • r= 10 m

Note that:

  • r: radius

To find:

  • The area of the given circle to the nearest whole number.

Solution:


\large\boxed{Formula: a= \pi{r}^(2)}

In this question raduis is given so we'll simply have to solve.

Let's solve!

The area of a circle is π times the radius squared.

Substitute the values according to the formula.


a= \pi * {10}^(2)


a= 314.1592654 \: {m}^(2)

Now, we can round off to the nearest whole number.

The value in tenths place is less than 5 so we won't have to round up.

Final answer:


\large\boxed{a= 314 \: {m}^(2)}

Hence, the area of the circle given in the question is 314 square inches to the nearest whole number.

User Quanda
by
3.9k points
9 votes

given:

radius= 10 m

to find:

the area of the given circle.

solution:


a = \pi {r}^(2)


a = \pi * {10}^(2)


a = 314.15927 \: {m}^(2)


a = 314 \: {m}^(2)

therefore, the area of the given circle is 314 square meters.

User Kamoo
by
4.4k points