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The largest wheel of a penny-farthing- the precursor to the modern bicycle - has a diameter of 1.5 meters. If the largest wheel of a penny-farthing has rotated 75 times, about how far has a person on a penny-farthing ridden?

Sagot :

apologiabiology
so first find the circumference

circumfernece=2 times pi times radius

2 times radius=diameter
diameter=1.5

using associative property of multipication which is a(bc)=(ab)c

so
c=2 times pi times r
c=pi times (2 times r)
c=pi times diameter
c=pi times 1.5
circumference is 1.5pi
multiply by 75
112.5pi is the answer
(pi is aprox 3.14 so 112.5 times 3.14=353.25 meters)

the answer is 112.5π meters or aprox 353.25 meters
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