CK12 - Geometry

(Marvins-Underground-K-12) #1
Write the formulaand substitutein the valuesand solve.

Example 4


Find the heightof a cylinderthat has radius

cm and surfacearea of


sq cm.


Write the formulawith the giveninformationand solvefor.

Volumeof a RightCylinder


You haveseenhow to find the volumeof any right prism.


where is the area of the prism’s baseand is the heightof the prism.


As you mightguess,right prismsand right cylindersare very similarwith respectto volume.In a sense,a
cylinderis just a “prismwith roundbases.”One way to developa formulafor the volumeof a cylinderis to


compareit to a prism.Supposeyou dividedthe prismaboveinto slicesthat were unit thick.

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