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jainamdinesh1pb3l0e
@jainamdinesh1pb3l0e
October 2021
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Angle between 2 edges of regular tetrahedral (maths 3d)
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xXItzSujithaXx34
❥︎❥︎Thus, from triangle DEC, we can say that cosθ=DECD . From the distance formula, we can say the that the length of DE is 12√3 and CD is √32 . Therefore, the angle between two faces is cos−113 .
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Answers & Comments
❥︎❥︎Thus, from triangle DEC, we can say that cosθ=DECD . From the distance formula, we can say the that the length of DE is 12√3 and CD is √32 . Therefore, the angle between two faces is cos−113 .