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If the radius and slant height of a cone are 5cm and 13cm, then its height is ___________________cm
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Answer:
Answer is 12 cm
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Answer:
The total surface area of a cone of radius 'r' units & the slant height 'l' units is given by
T.S.A=πr(l+r)
Here, r=5cm
l=13cm
∴T.S.A=π×5×18=90πcm
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