Check your spelling! Use the spell checker on Blogger! There is no reason to have this many spelling mistakes...
DFE and BAC are both acute angles, they are less than 90 degrees. They are also Complementary. DEF is a obtuse angle, more than 90 degrees. It is also Suplementary
Check your spelling! Use the spell checker on Blogger! There is no reason to have this many spelling mistakes...
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