Question

If the radii of circular ends of frustum a cone are 17 cm and 15 cm and its height is 4cm,then find the slant height of frustum

Answer 1

R1=15 cm
R2=17 cm
h= 4 cm
slant height =
$\sqrt{4^{2} + (17 - 15) ^{2} } = \sqrt{16 + {2}^{2} } = \\ \\ \sqrt{20}$
$2 \sqrt{5} cm$

Answer 2

Step-by-step explanation:

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