Question

Find the area of the circle whose radius is y - 5 yards.

Answer 1

@kropot72

Answer 2

Do you know the formula for the area of a circle?

Answer 3

a = pie r^2

Answer 4

@mathstudent55

Answer 5

@iambatman

Answer 6

\[A = \pi r ^2\]

Just sub in what ever the radius is.

Answer 7

where does 5 go

Answer 8

r=5 correct?

Answer 9

Correct, only we call the Greek letter \(\pi\), pi, not pie.

Now take the radius they give you, y - 5, and replace r in the formula with it.

Answer 10

(y2 - 25)pie?