Question

If the circumference of the circle below is 25cm, what is the length of AB, to the nearest hunderedth?

Answer 1

@Swageraid32 @cherio12 @mathstudent55 @zepdrix

Answer 2

so first get the circumference

Answer 3

@cherio12 2 * 3.14 * 25?

Answer 4

yup

Answer 5

so, now the angle between a and b is 70 degrees. there is a total of 360 in a circle

Answer 6

so you can do a ratio of 70/360 to get the fraction that a and b cover

Answer 7

multiply that fraction by the circumference to get the length. Does that make sense?

Answer 8

I got 157 as circumference :) I got 30.53 as my answer? @cherio12

Answer 9

that's what i got

Answer 10

thank you!

Answer 11

no problem

Answer 12

@needmathhelp7
@cherio12
The problem reads "the circumference of the circle below is 25 cm."
You are given the circumference. All you need to do is the ratio of a 70 degree angle to the full 360 degrees of the circle.
L = (k/360)(2)(pi)r
L = (70/360)(25 cm)
L = 4.86 cm

Answer 13

bummers did i completely mess it up >.<

Answer 14

yes...yes i did