CPM Homework Help : CC2MN Problem 4-62

Find the area and perimeter of the shape at right.

A square with a right triangle, resting on top. The triangle has left side labeled, 3 ft, slanted, right side, labeled 7.6 ft, bottom side, shared with square, unlabeled. The square has right side labeled 7 ft, bottom side labeled 7 ft, left side unlabeled.

Hint:

To find the area, treat this shape as a square and a right triangle.
Find their individual areas, and then add them together.

$(7·7)+(3·7\div2)=?$

To find the perimeter, add together all of the side lengths.

$3+7.6+7+7+7+?$

Answer:

Area: $59.5$ square feet
Perimeter: $31.6$ feet

Same figure with left and top side of square labeled, 7 ft.