If u need defination of supplementary angle then it is like this,
THOSE ANGLE WHICH IS EXACTLY 189 DEGREE IS CALLED SUPPLEMENTARY ANGLE.
Research is the way people get their answers most of the time
1) 75x^3-300x^2-1200x+4800
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Answer: AB
AB
Step-by-step explanation:
Roatate the triangles and DE would be the same as AB