ABCD is a square
ABE is an equilateral triangle drawn inside this square
Calculate the angle of DEC
(DEC is top left corner of square to apex of triangle to top right corner of square)
Answer is 150
I need a method and explanation please
ABCD is a square
ABE is an equilateral triangle drawn inside this square
Calculate the angle of DEC
(DEC is top left corner of square to apex of triangle to top right corner of square)
Answer is 150
I need a method and explanation please