Question

- Find the area of a trapezium whose parallel sides
are equal to 18 cm and 10 cm and whose height is
4 cm.​

Answer 1

Area of trapezium ABCD = Area of ∆ ABD + Area of ∆ CBD

= 1/2 × a × h + 1/2 × b × h

= 1/2 × h × (a + b)

= 1/2 (sum of parallel sides) × (perpendicular distance between them)