Pyramid

Cuboid ABCDEFGH has dimensions AB 3 cm, BC 4 cm, CG 5 cm. Calculate the volume and surface area of a triangular pyramid ADEC.

Correct result:

V =  10 cm3
S =  25.6047 cm2

Solution:

V=1/3 (5 4/2) 3=10 cm3
S=5 4/2+3 4/2+52+42 3/2=25.6047 cm2



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