breyonnachilcu1
contestada

A pizzeria will bake and deliver a round pizza with a 10 inch diameter. Find the exact area of the top of the pizza and an approximation. Use 3.14 as an approximation.

Respuesta :

FatherSmoke

A = 78.54

Equation used = A = 3.14r^2

Peredhel

Hi!

The equation to find the area of a circle is

(a = area

r = radius)

a = πr²

We need to find the radius. To do that, divide the diameter by 2.

10/2 = 5

a = π5²

Solve.

a = π25

Exact:

a = 78.5398163

Approximation:

a = 78.5

The exact area is 78.5398163

The approximation is 78.5

Hope this helps! :)

-Peredhel