This section of a concrete skateboard ramp has the shape of a triangular prism. Find the volume of the triangular prism. Find th e value of the concrete used in the ramp if the cost of concrete is $3.00 per cubic foot. 6ft 6ft 10.2ft
1 answer:
Answer:
$550.80
Step-by-step explanation:
Value of concrete used = volume of the prism x cost per cubic foot
volume of the prism = base area x height
the base is in the shape of a triangle
Area of a triangle = (1/2) x base x height = 1/2 x 6 x 6 = 18
Volume of the prism = 18 x 10.2 = 183.6 ft^3
183.6 x 3 = $550.80
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