Question

PLease help!!! I'll Fan and medal!!

A wheel has a diameter of 16 cm.

Approximately how far does it travel in 5 revolutions?



A.
502.4 cm


B.
251.2 cm


C.
100.48 cm


D.
80 cm

Answer 1

First, find the circumference of the wheel. Each revolution will cover 1 circumference. Do you know the formula for the circumference of a circle?

Answer 2

C= 2 pie r or C= pie d

Answer 3

@whpalmer4

Answer 4

it's a Greek letter, spelled "pi" :-)

Yes, those are the correct formulas. Which one will you use here?

Answer 5

the second one

Answer 6

i think or the first one? Idk @whpalmer4

Answer 7

I dont know how to solve this

Answer 8

Well, you know the diameter of the wheel, right? You can either use the formula that includes the diameter, or you can convert the diameter to the radius, and use the formula that includes the radius. Which seems like the plan you would like to use?

Answer 9

lol pie