Math, asked by Lemonthatspink, 1 month ago

Tanish rolls a wheel along a straight line PQ which is 440 cm long. the wheel completes exactly 10 revolutions to reach Q from P. What is the diameter of the wheel?

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Answers

Answered by kinzal
2

Given :-

╭☞ Tanish rolls a wheel along a straight line PQ which is 440 cm long.

╭☞ the wheel completes exactly 10 revolutions to reach Q from P.

To Find :-

╭☞ what is the diameter of the wheel

Explanation :-

 \small \bf ╭☞ \:  \:  distance  \:  \: covered  \:  \: by \:  \: wheel \:  \: \\  \small \bf in \:  \:  10  \:  \: revolutions =440cm \\  \\ \small \bf  ╭☞  \:  \: distance \:  \:  covered \:  \: by \:  \: wheel  \:  \: \\  \small \bf in  \:  \: 1  \:  \: revolutions = \frac{440}{10}  =44 \: cm \\  \\ ╭☞  \:  \: \small  \bf perimeter \:  \:  of  \:  \: wheel =44 \: cm \\  \\  \small \bf╭☞ \:  \: 2\pi r =44  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \: \\   \\    \small \bf ╭☞ \:  \: 2× \frac{22}{7} ×r=44 \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:   \\  \\ \small \bf ╭☞ \:  \: r =  \frac{44 \times 7}{2 \times 22}   \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \: \\  \\ \small \bf╭☞ \:  \:   r =7 \: cm \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:

 \small \bf╭☞ \:  \:  diameter \:  \:  of  \:  \: wheel=2 \times r \\  \\ \small \bf╭☞   \:  \:  \:  \:  \:  \:   \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \: = 2 \times 7 \\  \\  \small \bf╭☞   \:  \:  \:  \:  \:  \:   \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \: \:  \:  \:  \:   \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \: \fbox{  \red{= 14 \: cm}}

Diameter of circle = 14 cm

I hope it helps you ❤️✔️

Answered by harinandanSKM
0

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