04/27/21 Cw+HW Name: Surface Area Surface area is the total area of all faces of a figure. To find the surface area of a rectangular prism, imagine it unfolded into six rectangles. Find the area of each rectangle and add them together. The sum is the surface area of the rectangular prism. cm 12 cm 28 cm2 48 cm? 84 cm2 48 cm2 28 cm2 + 84 cm? area of left side: 4 cm x 7 cm = area of top: 4 cm x 12 cm = top area of front: 7 cm x 12 cm = area of bottom: 4 cm x 12 cm = front back area of right side: 4 cm x 7 cm = 4 ст area of back: 7 cm x 12 cm = bottom surface area = 320 cm? 12 cm Find the surface area of the following figures. area of left side: 4 m area of top: area of front: area of bottom: 6 m area of right side: area of back: surface area = area of left side: area of top: X 10 mm area of front: 15 mm area of bottom: area of right side: area of back: surface area = area of left side: area of top: area of front: area of bottom: side right 7 cm left side cm II I II II II 12 cm 6 mm