Question

I don't understand this :(

Taylor is making a cookie cake that has a diameter of 15 in. What is the area of a fourth of the cookie cake?

Answer 1

find the area of the cookie (pi r^2) and divide by 4

Answer 2

like how ?

Answer 3

ok, find the radius first.

Answer 4

you find it by dividing the diameter in half.

Answer 5

how i find the radius?

Answer 6

Like I said, you take the diameter (15in) and divide it in half (by 2).

Answer 7

have you done that yet?

Answer 8

is 30

Answer 9

the radius

Answer 10

No, you divide the 15 by 2, not multiply.

Answer 11

ooh sorry is 7.5

Answer 12

yes. now take that and put it in this equation
\[2Pir ^{2}\]

Answer 13

how do i do that ?

Answer 14

\[2\times3.14\times7.5^{2}\]

Answer 15

i got 94.2

Answer 16

ok now divide that by 4

Answer 17

23.55 i got

Answer 18

answer

Answer 19

thax u so much :)

Answer 20

unless your text book wants it in a rational form, it's right.

Answer 21

no, is all good that the answer thax u :)