find the total surface area of cone whose diameter of Base is 14 m and slant height is 25m?
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Given:
Diameter(d) =14m,
slant height(l)=25m.
To Find:
total surface area of cone=?
Solution:
r=d/2
r=14/2
r=7
Total surface area of cone
Total surface area of cone=πr(l+r)
=22/7×7(25+7)
=22×32
=704sq.m
Therefore,total surface area of cone =704sq.m
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