Planetarium's 24241

The planetarium's dome has the shape of a hemisphere with a diameter of 17 m. Determine the size of the projection area

Correct answer:

S =  453.9601 m2

Step-by-step explanation:

D=17 m r=D/2=17/2=217=8.5 m  S=2π r2=2 3.1416 8.52=453.9601 m2



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