Find the area of a trapezium having a height of 7 cm and the lengths of the parallel sides 8 cm and 12 cm.
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. 70 cm2.
Area of trapezium = (1/2) × (Sum of parallel sides) × Height
= (1/2) × (8 + 12) × 7
= (1/2) × 20 × 7
= 70 cm2