Question

Which formula should be used to find the area of the composite shape?

Answer 1

The last option seems the best one: the figure is composed of a square/rectangle and a triangle. The area of the rectangle is the product of its dimension (i.e. $lw$), while the area of the triangle is half the product of the base and height ($\frac{1}{2}bh$).

The sum of the two areas is the area of the composite shape.

Answer 2

ANSWER

area equals half of base times height plus length times width so d