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Work out the surface area of this solid prism.
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Work out the surface area of this solid prism.

Work out the surface area of this solid prism.-example-1
User Radolino
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3 votes

Answer:


2( (1)/(2) * 15 * 28 ) + ( 25 * 30 ) + ( 17 * 30) + ( 28 * 30 ) \\ = 2520 {cm}^(2)

User Jesse Cohen
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4.9k points
2 votes
Area of the 3 rectangles that make up the prism:
30 * 25 + 30 * 17 + 30 * 28 = 2100
Area of the two triangles at either end:
Use bh/2
(15 * 28)/2 = 210
There are two so it’s 420
2100 + 420 = 2520cm^2
User Aaron Hill
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4.0k points
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