Question

the cicumference of a circle is 16 pi inches.find its radius and area.
the radius circle is

Answer 1

So applying the formula for circumference, 2piR, what is the radius?

Answer 2

im lost

Answer 3

Apply the formula in reverse. Circum = 16 pi = 2 pi r
so 8 pi = pi r
so 8 = r

Answer 4

the area of the circle is

Answer 5

pi x r^2

Answer 6

im lost

Answer 7

The area of a circle = pi x r^2.
So it is pi x 8^2 or 64.
so = pi 64 in^2

Answer 8

the cicumference of a circle is 12pi inches.find its radius and area.
the radius circle is

Answer 9

it 6

Answer 10

The area of a circle

Answer 11

help pl

Answer 12

= pi x r^2.
So it is pi x 6^2 or 36.
so = pi 36 in^2