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18 votes
18 votes
Someone help me pls tysm

Someone help me pls tysm-example-1
User Bichito
by
2.4k points

2 Answers

26 votes
26 votes

Answer:


201.06 {cm}^(2)

Explanation:

The value of pi is around 3.1415927

The formula to find the area is a circle is ;


\pi {r}^(2)

We know that the radius(r) is 8cm

You put 8 at where the r is.

so u have


3.1415927 * {8}^(2)


{8}^(2) = 64 \\ 3.1415927 * 64 \\ 201.0619328

U then round your answer.

Hope this helps.

User Jvinyard
by
2.2k points
7 votes
7 votes

Answer:

64π cm²

Explanation:

You want the exact area of a circle of radius 8 cm.

Circle formula

The area of a circle is given by ...

A = πr²

Using the given value of radius, we find the area to be ...

A = π(8 cm)² = 64π cm²

The area of the circle is 64π square centimeters.

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Additional comment

The "exact" area can only be expressed using a symbol for the irrational number pi.

User David Morrow
by
2.7k points