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Big Ideas Math: Modeling Real Life, Grade 7

BI

Big Ideas Math: Modeling Real Life, Grade 7 View details

5. Volumes of Pyramids

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Exercise 1 Page 437

The volume of a rectangular prism is the product of its length, width, and height.

189ft^3

Practice makes perfect

Let's consider the given rectangular prism.

Rectangular prism

We want to find the volume of the rectangular prism. Recall that the volume of a rectangular prism is the product of its length l, width w, and height h. V = l w h In this prism, l = 9, w= 7, and h= 3. Let's substitute these values into the formula and calculate the volume of the prism!

V = l w h

SubstituteValues

Substitute values

V = 9 (7) (3)

Multiply

V = 189

The volume of the rectangular prism is 189 cubic feet.

Subchapter links

Try It p.434-435

Self-Assessment for Concept & Skills p.435

Self-Assessment for Problem Solving p.436

Review & Refresh p.437

Concept, Skills, & Problem Solving p.437-438