CK12 - Geometry

(Marvins-Underground-K-12) #1
Calculate.

Find the area of the entirecylinder.

Thus,the total surfacearea is approximately854.08squareunits

SurfaceAreaof a CylinderUsinga Formula


You haveseenhow to use nets to find the total surfaceareaof a cylinder. The postulatecan be broken
downto createa generalformulafor all right cylinders.


Noticethat the base, , of any cylinderis:


The lateralarea, , for any cylinderis:


Puttingthe two equationstogetherwe get:

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