perryflagg perryflagg

05-03-2020
Mathematics

contestada

A trampoline has an area of 49pi square feet. What is the diameter of
the trampoline?

Respuesta :

ChickenChild13 ChickenChild13

08-03-2020

Answer:

The diameter is 14π

Step-by-step explanation:

We know the area of a circle is πr^2

let 49π=πr^2

Cancel the π's, and you get 49=r^2

Take the square root and you get r=7

The diameter of a circle is 2πr.

2π(7)=14π.

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