The base of this right triangular prism is a right triangle that are 7 in. and 8 in. The height of the prism is 5 in. What is the volume of this right triangular prism? A.) 140 in B.) 188 in C.) 196 in or D.) 221 in

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Mathematics

Valentino Osborne

4 January, 15:07

The base of this right triangular prism is a right triangle that are 7 in. and 8 in. The height of the prism is 5 in. What is the volume of this right triangular prism? A.) 140 in B.) 188 in C.) 196 in or D.) 221 in

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Damien Barr · Answer 1

OK. V = volume = AH, whereA = the area of the triangle, bh/2H = prism height = 6b = triangle base = 3h = triangle height = 4 With this we get A = 6, so V = 36. Since the units are consistent as given, the volume is in in3.