Lisa is building a structure to be used in the school play. The structure is in the shape of a right triangular prism. A sketch
1 answer:
Solution:
<u>Note that:</u>
- Surface area = Area of all faces
<u>Finding the area of the two triangles</u>
- 2(1/2 x 8 x 6)
- => 8 x 6
- => 48 ft²
<u>Finding the area of rectangle₁</u>
<u>Finding the area of rectangle₂</u>
<u>Finding the area of rectangle₃</u>
<u>Finding the surface area of the figure</u>
- 48 + 126 + 75.6 + 100.8
- => 350.4 ft²
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