Question

Calculate the area of the circle shown below.2 mmApproximate Value_________Exact Value________(round your approximate answers to thehundredths)Area of the circle:_________mm?_________mm

Answer 1

The area of a circle is given as:

`A=\pi r^2`

where r is the radius of the circle. In this case the radius is 1 mm (the radius is half the diameter). Then the area is:

`A=\pi(1)^2=\pi`

Therefore:

Exact value:

`\pi`

Appoximate value:

`3.14`