The radii of circular ends of frustum of a cone are 20 cm and 12 cm and its slant height is 10 cm.Find the height of the frustum in cm.
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Answer:
6 cm
Step-by-step explanation:
s =10cm , r1 = 20cm , r2 =12cm
height = √ s^2 - (r1 -r2 )^2
= √ 10^2 - (20-12)^2
= √100-64
=√36
=6 cm
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