Question

Find the area of quadrilateral ABCD in sq.units. Given AE = 5 units, BD =16 units and CF = 4 units.

• A. 144 sq. units
• B. 72 sq. units
• C. 36 sq. units
• D. Data insuficient

Answer 1

The correct option is B

72 sq. units

Area of quadrilateral can be written as Ar$\Delta$ABD + Ar $\Delta$BCD

= $\frac{1}{2}$ $\times$ 16$\times$​5 + $\frac{1}{2}$ $\times$​ 16 $\times$​ 4 = 72 sq. units