This figure is made up of a triangle and a semicircle. what is the area of this figure? use 3.14 for pi. round only your final answer to the nearest tenth. enter your answer, as a decimal, in the box. units²

Finding the lengths of the legs of the right triangle, we have 6 and 3. (6*3)/2 = 9. Finding the area of the semi-circle we obtain  which rounding to 3.14 as pi, we obtain 3.5325. Adding up the area of the triangle and the semi-circle and the triangle we get 9+3.5325 which equals 12.5325

The correct answer would be the fourth choice