Engineering Board Exam Reviewer · Solid Geometry: Cones, Spheres, and Frustums · medium

Find the volume of a frustum of a square pyramid whose bases have sides 8 and 4 and whose height is 6.

  1. 224
  2. 240
  3. 160
  4. 448

Answer

A. 224

Solution

V= h3≤ft(A1+sqrt(A1A2)+A2 )= 63(64+32+16)=224.

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