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Maths TNSB Mentoring
Class 10 Crash course
Mensuration
Annual Revision V
6.
Find the volume of the frustum
Question:
2
m.
If the radii of the circular ends of a frustum which is
42
\(cm\) high are
25
\(cm\) and
16
\(cm\), find the volume of the frustum.
Answer:
Volume of the frustum of a cone \(=\)
⅓ π h[R² + Rr + r²]
⅓ π h[R - Rr + r]
⅓ π h[R + Rr + r]
⅓ π [R² + Rr + r²]
cu. units
The volume of the frustum of a cone
\(=\)
\(cm^3\)
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