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cube face and body diagonale

problem: cube face and body diagonale


given: cube with 15 inches. Find the face and body diagonale!
 
 

answer: cube face and body diagonale


1. step: given/wanted

leg: 15 inches

wanted: cube face and body diagonale!

 

2. step: calculate with the formula

face diagonale 1, 2, 3  = a * √2

face diagonale 1,2,3,  = 15 * √2

face diagonale 1,2,3  = 21,21 in

 

body diagonale = a * √3

body diagonale = 15 * √3

body diagonale = 25,98 in