If the radius and height of a cone is 8cm and 4 cm respectively.Find its slant height
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l=slant height
h=height
r=radius
l²=r²+h²
l²=64+16
l=√80
h=height
r=radius
l²=r²+h²
l²=64+16
l=√80
Answered by
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hey..
l^2 = h^2 + r^2
l^2 = 4^2 + 8^2
l^2 = 16 + 64
l^2 = 80
l = *80 where consider * as square root
l^2 = h^2 + r^2
l^2 = 4^2 + 8^2
l^2 = 16 + 64
l^2 = 80
l = *80 where consider * as square root
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