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Maths TNSB Mentoring
Class 10 Crash course
Mensuration
Annual revision II
5.
PYQ - Estimate the volume of frustum
Question:
2
m.
If the radii of the circular ends of a frustum which is \(54 \ cm\) high are \(28 \ cm\) and \(7 \ cm\), find the volume of the frustum.
Answer
:
Volume of the frustum of a cone is given by
⅓ πh[R² + Rr + r²]
⅓ π[R² + Rr + r²]
⅓ πh[R² - Rr + r²]
πh[R² + Rr + r²]
cu.units
.
The volume of the frustum of a cone \(=\)
\(cm^3\)
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