Emily measures a prize wheel at a carnival and calculates that it has an area of 3.14 square feet. What is the prize wheel's circumference?

Use 3.14 for ​.

Respuesta :

The circumference of wheel is 6.28 feet.

Step-by-step explanation:

Given,

Area of prize wheel = 3.14 square feet

Area = πr²

[tex]3.14 = 3.14(r)^2[/tex]

Dividing both sides by 3.14

[tex]\frac{3.14}{3.14} = \frac{3.14(r)^2}{3.14}\\1=r^2\\r^2=1\\r=1[/tex]

Circumference = 2πr

Circumference of prize wheel = [tex]2*3.14*1\\[/tex]

Circumference of prize wheel = 6.28 feet

The circumference of wheel is 6.28 feet.

Keywords: area, circumference

Learn more about circumference at:

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