Volume of a Rectangular Prism
How much will I hold?
A rectangular prism has 6 sides —opposite sides are equal and parallel
Volume is the amount of space inside a shape, measured in cubic units
Definitions
7 cm
4 cm
8 cm
Three measuresLength = 8 cmWidth = 4 cmHeight = 7 cm
Volume is how many cubes will fit into this rectangular prism.
Three measures in a rectangular prism
7 cm
4 cm
8 cm
Finding the Volume
1. l= 5 cm w = 4 cm h = 7 cm
2. Formula…
V = l · w · h V = 5 · 4 · 7 V = 140 cm³
7 cm
4 cm
8 cm
Now you try one!If we could melt all of the gold produced in the last 500 years and put it together into a box, the sides would be 16 m for length, 18 m for width and 15 m high. How much would it hold?
V = l · w · hV = 16 · 18 · 15
V = 4,320 m³ of gold
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