Question

& The diameter of the wheel of a car is 70 cm How many revolutions will make to
1.65 kom?​

Answer 1

Step-by-step explanation:

circumference of wheel = 2πr=dπ=70π

1.65km=1650m=165000cm

Revolutions=165000/70π

Use π=22/7

Revolutions=750

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Answer 2

$\huge{\boxed{\mathfrak{ SOLUTION:- }}}$

Given it should travel 1.65 km

= 1.65 ×1000×100 cm

= 165000 cm

now,radius = diameter/2

= 70/2

=35 cm

now, circumference = 2π r

= 2×(22/7)×35

= 220 cm

it means, 220 cm = 1 revolution

then, 165000 cm = 165000/220

= 750 revolution

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