Question

A flag is shown. Determine the area of the shaded part of the flag.

Answer 1

84 square inches

Explanation:

The shaded region comprises of two same trapeziums:

∴Area of shaded region = 2 × (Area of a trapezium)

= 2 ×
`(1)/(2)` × (Sum of parallel sides) × (perpendicular height of trapezium)

=
`(2)/(2)` × (4 + 8) × (6)

= 84 square inches