Question

A road bike has a wheel diameter of 622 mm. What is the circumference of the wheel? Use 3.14 for mc015-1.jpg

Answer 1

Answer: 1953.08 mm

Step-by-step explanation:

We know that circumference of a circle is given by ;-

$\text{Circumference}=2\pi r$, where r is the radius of the circle.

Given: the diameter of the wheel = 622 mm

Then, the radius of the wheel =$\dfrac{622}{2}=311\ mm$

Now, the circumference of the wheel is given by ;-

$\text{Circumference}=2\pi (311)\\\\\Rightarrow\ \text{Circumference}=2(3.14)(311)\\\\\Rightarrow\ \text{Circumference}=1953.08\ mm$

Hence, the circumference of the wheel = 1953.08 mm.

Answer 2

The circumference of the wheel is equal to 1,953.08 mm.

Given the following data:

• Diameter of wheel = 622 mm

To calculate the circumference of the wheel:

How to calculate the circumference of a circle.

Note: A wheel of a bike is circular in shape.

Mathematically, the circumference of a circle is given by the formula:

$Circumference = \pi D$

Where:

• D is the diameter of a circle.

Substituting the given parameters into the formula, we have;

$Circumference = 3.14 \times 622$

Circumference = 1,953.08 mm.

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