Question

A car wheel makes 2500 revolution in moving 5.5 km. Find the diameter and circumference of the car wheel.

. Answer is 70 cm and 220 cm.
. Show me expllenation.​

Answer 1

Answer:

5.5Km = 550000cm

550000 divide by 2500

= 220 cm = circumference

circumference =

$2\pi \: r$

$2 \times 22 \div 7 \times r = 220$

$r = 220 \times 7 \div 2 \times 22$

answer is 35 cm that is equal to radius.

radius is equal to half of diameter.

diameter = 2 x 35 = 70 cm

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