Perimeter and Area Quiz for Year 9

What is the perimeter of a square with side length 5 cm?

• 10 cm

• 15 cm

• 20 cm

• 25 cm

Find the perimeter of a rectangle with a length of 12 cm and a width of 8 cm.

• 40 cm

• 48 cm

• 64 cm

• 96 cm

The perimeter of a triangle is 30 cm, and two of its sides are 12 cm and 8 cm. What is the length of the third side?

• 10 cm

• 15 cm

• 8 cm

• 12 cm

What is the formula for the perimeter of a circle?

• πr²

• 2πr

• πrt

• r²/π

A circle has a radius of 7 cm. What is its perimeter (take π = 22/7)?

• 44 cm

• 154 cm

• 49 cm

• 21 cm

What is the area of a square with side length 6 cm?

• 12 cm²

• 18 cm²

• 24 cm²

• 36 cm²

The area of a rectangle is 48 cm². If the width is 6 cm, what is the length?

• 6 cm

• 8 cm

• 9 cm

• 12 cm

Find the area of a triangle with a base of 10 cm and a height of 5 cm.

• 25 cm²

• 50 cm²

• 20 cm²

• 30 cm²

What is the formula for the area of a circle?

• 2πr

• πr²

• πd²

• πr/d

A circle has a diameter of 14 cm. What is its area (take π = 22/7)?

• 154 cm²

• 77 cm²

• 308 cm²

• 616 cm²