Liamarie18 Liamarie18

25-02-2015
Mathematics

Answered

you plan to cover the entire surface area of a cylindrical dart board with cork. find the surface area of the dart board if the radius is 7 inches and is is 3/4 inches thick.

Answer :

apologiabiology apologiabiology

25-02-2015

so the amount needed=area of circle times height
area formula=pi times radius^2
height=3/4

so
pi=aprox 3.14
radius=7
3.14 times 7^2
3.14 times 49
153.86
times 3/4
115.395 in^3

answer is 115.4 cubic inches

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