Geometry Quiz

A circle has a radius of 7cm. What is its diameter?

• 3.5cm

• 14cm

• 21cm

• 28cm

The diameter of a circle is 20cm. What is its radius?

• 5cm

• 10cm

• 15cm

• 20cm

If the radius of a circle is 6cm, what is its circumference? (Use π=3.14)

• 18.84cm

• 37.68cm

• 12cm

• 113.04cm

A circular garden has a diameter of 14m. What is its area? (π=3.14)

• 49m²

• 77m²

• 154m²

• 153.86m²

A pizza has a radius of 8 inches. What is its diameter?

• 16in

• 4in

• 24in

• 8in

A rectangle has a length of 12cm and width of 8cm. What is its perimeter?

• 40cm

• 96cm

• 20cm

• 32cm

A square has a side length of 15m. What is its perimeter?

• 30m

• 45m

• 60m

• 60m

The length of a rectangle is 25cm and its perimeter is 90cm. What is its width?

• 10cm

• 20cm

• 15cm

• 25cm

A rectangular playground is 40m long and 30m wide. Find its area.

• 1200m²

• 700m²

• 200m²

• 1500m²

A square park has an area of 81m². What is its side length?

• 8m

• 9m

• 10m

• 12m