A tetrahedron (not rectangular) has vertices at A, B, C, and D. The length of the altitude from A to the base (ABCD) measures 6 in It is given that mzBCD = 90°, BC = 6 in., and CD = 9 in. (a) Find the volume (in cubic inches) of the pyramid. in3 (b) Find the length (in inches) of the altitude from vertex D to the base (AABC); note that AARC = 18 in?. in

A tetrahedron (not rectangular) has vertices at A, B, C, and D. The length of the altitude from A to the base (ABCD) measures 6 in It is given that mzBCD = 90°, BC = 6 in., and CD = 9 in. (a) Find the volume (in cubic inches) of the pyramid. in3 (b) Find the length (in inches) of the altitude from vertex D to the base (AABC); note that AARC = 18 in?. in

Mathematics For Machine Technology

8th Edition

ISBN:9781337798310

Author:Peterson, John.

Publisher:Peterson, John.

Chapter63: Volumes Of Pyramids And Cones

Section: Chapter Questions

Problem 9A

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