Find the missing edge of a prism
Divide the volume by the edges you know.
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A rectangular prism has volume 18 cubic cm, width 3 cm and height 2 cm. What is its length, in cm?
Answer: 3
A rectangular prism has volume 40 cubic cm, length 4 cm and width 2 cm. What is its height, in cm?
Answer: 5
A rectangular prism has volume 48 cubic cm, width 3 cm and height 4 cm. What is its length, in cm?
Answer: 4
Tip: Divide the volume by the edges you know.
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Up next
- Next in this topic Volume of composite solids Year 6
- Ready for more Surface area of rectangular prisms with fractional edges Year 7
Curriculum
Common Core: 5.MD.C.5.b
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On paper: this skill is in the printable pack Grade 5 Common Core Math: Geometry and Measurement, with an answer key.
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