13 cm 2. A figure is composed of a trapezoid and a semicircle. Determine the area of the figure need help

you leave a lot of unanswered questions

You say 13 cm^2 -- is that the area? Then why are you asking?

You know that the areas are
trapezoid: (B+b)?2 * h
semi-circle: 1/2 πr^2

so look at your diagram and plug in your numbers