Question

How many times will the wheel of a car rotate in covering a distance of 550 m, if the radius of the wheel is 14 cm​

Answer 1

✬ 625 Times ✬

Step-by-step explanation:

Given:

• Radius of wheel is 14 cm.
• Distance to be covered is 550 m.

To Find:

• In how many times the wheel will cover the distance ?

Solution: Since, wheel is in circular form so find the circumference of wheel.

As we know that

★ Circumference of Circle = 2πr ★

$\implies{\rm }$ C = 2(22/7)(14)

$\implies{\rm }$ C = 44(2)

$\implies{\rm }$ 88 cm

So, wheel will cover 88 cm in one round and total distance is to be covered is 550 m.

[ Changing m to cm ]

• 1 m = 100 cm
• 550 m = 55000 cm

∴ Total rounds = Total distance to be covered/Distance covered in one round.

➫ Total rounds = 55000/88

➫ 625

Hence, the wheel will rotate 625 times to cover the given distance.

Answer 2

Answer:

625 times

Step-by-step explanation:

Given that radius = 14 cm = 0.14 m

Circumference = (2 x 22 x 14) / ( 7 x 100 )

Circumference = 22 / 25 = 0.88 m

0.88 x (X times) = 550

Therefore X = 625 times

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