Circle and Its Parts: A Quiz on Areas and Circumferences

What is the area of a circle with a radius of 4 cm?

Calculate the circumference of a circle with a diameter of 10 cm.

• 31.4 cm

• 62.8 cm

• 15.7 cm

• 20 cm

What is the area of a semi-circle with a radius of 6 cm?

Calculate the circumference of a semi-circle with a diameter of 8 cm.

• 12.56 cm

• 25.12 cm

• 18.84 cm

• 6.28 cm

What is the area of a quadrant with a radius of 10 cm?

Calculate the circumference of a quadrant with a radius of 5 cm.

• 7.85 cm

• 15.7 cm

• 17.85cm

• 10.42 cm

If the diameter of a circle is 14 cm, what is its area?

Find the circumference of a circle whose radius is 3.5 cm.

• 7 cm

• 14 cm

• 21.98 cm

• 10.99 cm

What is the area of a semi-circle with a diameter of 12 cm?

Calculate the circumference of a semi-circle with a radius of 7 cm.

• 21.98 cm

• 43.96 cm

• 32.97 cm

• 10.99 cm