Question

Mason use a trapezoid and a rectangle to form the figure shown what is the area of the figure in square centimeters

Answer 1

The area consist of rectangle and trapezoid.

Determine the area of composite figure by add area of reacangle and area of trapezoid.

$\begin{gathered} A=5\cdot3+\frac{10+5}{2}\cdot(7-3) \\ =15+\frac{15}{2}\cdot4 \\ =15+30 \\ =45 \end{gathered}$

So area of the figure is 45 square centimeter.