Question

The radius of the front wheel of Alex's bike is 60cm.
Alex goes for a cycle and travels 47.63km.
How many full revolutions did Alex's front wheel complete?

Answer 1

Answer:

Step-by-step explanation:

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Answer 2

Hey there! here is your answer!Hope it helped!

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Answer:

Hey there! To answer your question , let me tell you what is the perimeter of a circle called and how to find it.

What is the perimeter of a circle called?

Ans. The perimeter of a circle is known as

What is perimeter?

Ans. Perimeter is nothing but the measure of the boundary of something.

How do we find the perimeter of a circle?

Ans. We can find the perimeter of a circle with the formula 2πr. π can be equal to 22/7 or 3.14. r= radius of the circle.

Step-by-step explanation:

So, following the definition of the perimeter of a circle, and its formula, let us answer your question .

The radius of the front wheel of Alex's bike is 60cm. Alex goes for a cycle and travels 47.63km. How many full revolutions did Alex's front wheel complete?

Ans. So, first let us find the perimeter of the wheel of Alex's bike.

Perimeter= 2πr

= 2* 3.14 *60 cm

Perimeter= 376.80 cm ( workings in the picture) .

Now, we need to divide the perimeter of the circle by distance traveled to get the number of revolutions.

Let us convert kilometres to centimetres so that we can divide easily.

47.63km=4763000 centimeters.

4763000 cm ÷376.80 cm= 12640.65 revolutions.

This can be rounded off to 12640 revolutions Alex's front wheel completed.

Hope it helped!

please mark as brainliest answer! :)