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Glencoe Math: Course 2, Volume 2 View details

4. Volume of Prisms

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Exercise 12 Page 645

Use the formula for the volume of a prism.

37.8 cubic yards

Practice makes perfect

The given solid is a triangular prism.

The volume of a prism can be calculated using the following formula. V= B h Here, B is the area of a prism's base and h is the prism's height. Note that the base is a right triangle, so we can calculate its area using the formula for area of a triangle.

B=1/2bh

SubstituteII

b= 4.5, h= 2.8

B=1/2( 4.5)( 2.8)

▼

Simplify right-hand side

MoveRightFacToNumOne

1/b* a = a/b

B=12.6/2

CalcQuot

Calculate quotient

B= 6.3