Kiley’s in-line skate wheels have a 43-mm diameter. How many meters will Kiley travel after 5000 revolutions of the wheels on her in-line skates? Round your answer to the nearest meter.

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterP: Preliminary Concepts
SectionP.CT: Test
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Kiley’s in-line skate wheels have a 43-mm diameter. How many meters will Kiley travel after 5000 revolutions of the wheels on her in-line skates? Round your answer to the nearest meter.

 

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solution:-diameter of wheel , d=43 mmradius of wheel=d2one revolution=2πdistance travelled in one revolution=circumference of wheel                                                  =2π×d2                                                  =2π×43 mm2                                                  =43π mm

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