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anonymous
 one year ago
You built a skateboard ramp in the shape of a triangular prism. If you want to paint the entire ramp, even the bottom, what is the total area you will paint?
150 ft 2
210 ft 2
240 ft 2
180 ft 2
anonymous
 one year ago
You built a skateboard ramp in the shape of a triangular prism. If you want to paint the entire ramp, even the bottom, what is the total area you will paint? 150 ft 2 210 ft 2 240 ft 2 180 ft 2

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imqwerty
 one year ago
Best ResponseYou've already chosen the best response.2ar of ramp = ar of 2 rt triangles + ar of rect base + ar of rect. incline+ ar of the rect with dimensions5and4 ar 2 triangles = 2(1/2 x 5x12) = 60 ar of rect base = 12x4=48 ar of rect incline = 4x13=52 ar of rect with dimensions4and5 = 4x5 = 20 total ar = 20+52+48+60=180
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