Question

what is the circumfrence of the circle beow in terms of pi ?

Answer 1

circumference = pi*(diameter)

or

circumference = 2*pi*(radius)

Answer 2

since diameter = 2*(radius)

Answer 3

does that help ?

Answer 4

since you're given the radius, I'd use circumference = 2*pi*(radius)

Answer 5

circumference = 2*pi*(radius)

circumference = 2*pi*(2.2)

circumference = ???

Answer 6

so is it 4.4pi

Answer 7

yes

Answer 8

ok can you help me with more ?

Answer 9

sure, one more

Answer 10

i got 36

Answer 11

is that right?

Answer 12

You are correct. Nice job.

Answer 13

ok what about his one ?

Answer 14

did i get that 1 right ?

Answer 15

yes you did

Answer 16

ok and i really need help with two more

Answer 17

how do i do this one ?

Answer 18

area = pi*r^2