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Mathematics 15 Online
OpenStudy (linn99123):

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 @undeadknight26

jagr2713 (jagr2713):

is it D

jagr2713 (jagr2713):

i think it is B

OpenStudy (linn99123):

i found it nvm guys its 16*3.14*5=251.2

jagr2713 (jagr2713):

so i was right :D

OpenStudy (cwrw238):

pi * d gives the perimeter of the wheel:- that is 16 * pi then multiply the result by 5

OpenStudy (cwrw238):

if you take pi to be 3.14 the answer is 80 * 3.14

OpenStudy (cwrw238):

grab ur calculator and work that out

OpenStudy (linn99123):

ty

OpenStudy (anonymous):

i guessing i late by a lot right?

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