The area of a trapezium is 100 cm2. If the distance between the parallel sides of the trapezium is 10 cm, then what is the sum of the lengths of the two parallel sides?
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 i.e. 20 cm.
The area of a trapezium is 100 cm2.
The distance between the parallel sides of the trapezium is 10 cm
Area of trapezium = (1/2) × (Sum of the length of two parallel sides) × Distance between parallel sides
⇒ 100 = (1/2) × (Sum of the length of two parallel sides) × 10
⇒ 200/10 = Sum of the length of two parallel sides
⇒ 20 cm