Question

If a+b = c+ d, then prove that xoy is a line.
as the figure in the picture

pls help ​

Answer 1

Answer:

From the given image, we can understand that a+b and c+d are supplementary angles that form 180 degrees so a+b = c+d so as xoy is the main angle (that is the angle forming/taking an important part in forming supplementary angles) so xoy is a line

Step-by-step explanation:

I hope this helps!!!