Measurements (Term 1) - Area and Perimeter — Practice

Question 1

Find the area of a parallelogram with base 12 cm and height 7 cm.

Accepted Answer

12 × 7 = 84 cm².

Question 2

The area of a parallelogram is 54 cm² and its base is 9 cm. Find its height.

Accepted Answer

height = 54 ÷ 9 = 6 cm.

Question 3

Find the area of a rhombus whose diagonals are 10 cm and 24 cm.

Accepted Answer

½ × 10 × 24 = 120 cm².

Question 4

Find the area of a trapezium with parallel sides 15 cm and 9 cm and height 6 cm.

Accepted Answer

½ × (15 + 9) × 6 = ½ × 24 × 6 = 72 cm².

Question 5

Find the perimeter of a rhombus of side 13 cm.

Accepted Answer

4 × 13 = 52 cm.

Question 6

A rhombus has area 96 cm² and one diagonal 16 cm. Find the other diagonal.

Accepted Answer

96 = ½ × 16 × d₂ → d₂ = 12 cm.

Practice — Measurements (Term 1) - Area and Perimeter