Question

If the circumference of the circle below is 54 cm, what is the length of arc XY?

Answer 1

what part of 360 do you have?

Answer 2

WHAT

Answer 3

\[54cm=360^o\]
\[\frac{1}{360}54cm=1^o\]
\[\frac{120}{360}54cm=120^o\]

Answer 4

what part of 360 do they give you?

Answer 5

you are told that you have 120 out of 360 degrees; this gives you a ratio of 120/360 to work with.

since the full 360 degrees has a length of 54

then 120/360th of that is the answer

Answer 6

so the answer is 18???

Answer 7

120/360 = 1/3

54/3 is ... 1 drop a 2 and carry down the 4 ... 8 yes