Example 1 · level 1
Find the area of a parallelogram with base 14 cm and height 7 cm (in cm²).
Show solution
- Area = 14 × 7 = 98 cm².
Answer: 98
CLASS 7 MATHS · PERIMETER AND AREA
Area of triangles and parallelograms
Parallelogram area = base × height. Triangle area = ½ × base × height. The height is perpendicular to the base.
Loading practice…
Worked examples
Example 2 · level 2
Find the area of a parallelogram with base 30 cm and perpendicular height 13 cm (in cm²).
Show solution
- Area = 30 × 13 = 390 cm².
Answer: 390
Example 3 · level 3
A triangular plot has area 37.5 m² and base 5 m. Find its height (in m).
Show solution
- h = 2 × 37.5 ÷ 5 = 75 ÷ 5 = 15 m.
Answer: 15 m