In ΔDEF shown below, segment DG is an altitude:
2 answers:
I found the corresponding image.
The step towards proving the similarity of triangles DEF and GED is:
ANGLE E IS CONGRUENT TO ITSELF.
ΔDEF is a right triangle. Its hypotenuse is EF, its long leg is DF, its short leg is DE.
ΔGED is also a right triangle. Its hypotenuse is DE, its long leg is DG, its short leg is GE.
Only Angle E is in both triangles and its measure remains the same.
The step towards proving the similarity of triangles DEF and GED is:
ANGLE E IS CONGRUENT TO ITSELF.
ΔDEF is a right triangle. Its hypotenuse is EF, its long leg is DF, its short leg is DE.
ΔGED is also a right triangle. Its hypotenuse is DE, its long leg is DG, its short leg is GE.
Only Angle E is in both triangles and its measure remains the same.
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