Prisms: Test
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- Find the area of a rectangular prism with base 6 inches by 4 inches and height 7 inches? (click for answer)
188 inch2
Area = 2(wh + lw + lh), where l = length, w = width, h = height.
or, Area = 2 (4x7 + 6x4 + 6x7)
or, Area = 2 (28 + 24 + 42)
or, Area = 2 (94)
or, Area = 188 in2
- Find the volume of a triangular prism with sides 6 inches, 4 inches and height 7 inches? (click for answer)
84 in3
Volume of the prism = Area of triangular base x height
or, V = ½ x 4 x 7
or, V = 14 x 6
or V = 84 in3
