Test your knowledge on Pi

Test your knowledge on Pi

Use this quiz to help revise and test your knowledge on Pi and how to use it.

published on May 13, 201414 responses 0

πr² is the formula to find what?

The circumference of a circle
the surface area of a cylinder
the area of a circle
the volume of a cylinder

What is the formula to find the circumference of a circle when given the radius?

2πr
πr
πr2

Grace and Scarlet each have a circular pond in there garden.
Grace's pond has a diameter of 6m
Scarlet's pond has a diameter of 3m
find the circumference of each pond.

The circumference of Grace's pond is 18.84m and the circumference of Sacrlet's pond is 9.42m.
The circumference of Grace's pond is 18.84m and the circumference of Sacrlet's pond is 9.50m.
The circumference of Grace's pond is 18.34m and the circumference of Sacrlet's pond is 9.42m.
The circumference of Grace's pond is 18.34m and the circumference of Sacrlet's pond is 9.50m.

A dartboard has a radius of 20cm. The bullseye in the centre of the board has a radius of 1cm.

Find the area of the dartboard outside of the bullseye

1252cm2.
1242.86cm2.
1252.86cm2.
1242cm2.

Find the volume of a cylinder that has a radius of 5 cm and a height of 11cm

345.575191895
345
325.575191895

Tick all the correct formulas for finding the circumference of the circle

Select the two correct answers
πd
2πd
d
2πr
πr
πr2
π2r

What is the estimated numerical value of pi?

2.14
3.14
31.4
3.4