Engineering Board Exam Reviewer · Solid Geometry: Cones, Spheres, and Frustums · medium
Find the volume of a frustum of a cone with base radii 6 and 3 and a height of 4.
- 84 π 263.89
- 252 π 791.68
- 81 π 254.47
- 63 π 197.92
Answer
A. 84 π 263.89
Solution
V=π h/3≤ft(R2+Rr+r2 )=4π/3(36+18+9)=84π 263.89.
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