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"To dream anything that you want to dream, that is the beauty of the human mind. To do anything that you want to do, that is the strength of the human will. To trust yourself, to test your limits, that is the courage to succeed."

BE is the angle bisector of FEA. So BEF is 45. Same is tru with FEG. So 45 + 45 should be the answer. Where am I going wrong? I think my spatial imaigination is gone. Where is my Rubik'x cube?

BE is the angle bisector of FEA. So BEF is 45. Same is tru with FEG. So 45 + 45 should be the answer. Where am I going wrong? I think my spatial imaigination is gone. Where is my Rubik'x cube?

Bhai,
Yes you are right about FEA and FEG. Add another line BG to your imagination and connect B-E-G. The triangle formed BEG is an equilateral traingle with sides (BE, EG, BG) each equal to a*sqrt(2).

Hence the angle is 60. HTH _________________

"To dream anything that you want to dream, that is the beauty of the human mind. To do anything that you want to do, that is the strength of the human will. To trust yourself, to test your limits, that is the courage to succeed."

BE is the angle bisector of FEA. So BEF is 45. Same is tru with FEG. So 45 + 45 should be the answer. Where am I going wrong? I think my spatial imaigination is gone. Where is my Rubik'x cube?

Bhai, Yes you are right about FEA and FEG. Add another line BG to your imagination and connect B-E-G. The triangle formed BEG is an equilateral traingle with sides (BE, EG, BG) each equal to a*sqrt(2).

Hence the angle is 60. HTH

giddi : If the 3rd side is imagined then yes i agree that its an equilateral triangle.. But isnt Bhai's argument regarding those 2 angles right..I mean those should be sufficeint..Why do we need to add 1 more line..
May be i am missing something

BE is the angle bisector of FEA. So BEF is 45. Same is tru with FEG. So 45 + 45 should be the answer. Where am I going wrong? I think my spatial imaigination is gone. Where is my Rubik'x cube?

Bhai, Yes you are right about FEA and FEG. Add another line BG to your imagination and connect B-E-G. The triangle formed BEG is an equilateral traingle with sides (BE, EG, BG) each equal to a*sqrt(2).

Hence the angle is 60. HTH

giddi : If the 3rd side is imagined then yes i agree that its an equilateral triangle.. But isnt Bhai's argument regarding those 2 angles right..I mean those should be sufficeint..Why do we need to add 1 more line.. May be i am missing something

Andy,

The two anges FEB and FEG are not in the same plane as the is the angle BEG.

"To dream anything that you want to dream, that is the beauty of the human mind. To do anything that you want to do, that is the strength of the human will. To trust yourself, to test your limits, that is the courage to succeed."

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