Geometry Perimeter Area & Volume 3

Question 1

The area of a square is 49 cm². What is the length of one side?

Accepted Answer

7 cm

Answer

The side equals the square root of the area: √49 = 7 cm.

Question 2

A parallelogram has a base of 12 cm and a height of 5 cm. What is its area?

Accepted Answer

60 cm²

Answer

Parallelogram area is base times height: 12 × 5 = 60 cm².

Question 3

What is the circumference of a circle with a diameter of 10 cm? (Use π ≈ 3.14)

Accepted Answer

31.4 cm

Answer

Circumference is π times diameter: 3.14 × 10 = 31.4 cm.

Question 4

A cylinder has a base radius of 3 cm and a height of 10 cm. What is its volume? (Use π ≈ 3.14)

Accepted Answer

282.6 cm³

Answer

Cylinder volume is πr²h = 3.14 × 9 × 10 = 282.6 cm³.

Question 5

A trapezoid has parallel sides of 6 cm and 10 cm and a height of 4 cm. What is its area?

Accepted Answer

32 cm²

Answer

Trapezoid area is ½(a + b) × h = ½(6 + 10) × 4 = 32 cm².

Geometry Practice Test