the radii of ends of a frustum are 14cm and 6cm respectively and it's height is 6cm.find it's volume
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Answer:
Here, R=14cm,r=6cm,h=6cm
V=
3
1
πh(r
2
+Rr+R
2
)
=
3
1
×
7
22
×6[6
2
+(14)(6)(14)
2
]
=
7
22
×2[36+84+196]
=
7
22
×632
=1986.2cm
3
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