90 degree angle is a mathematical term. 90 degree angle is also called right angle. This anger looked like an L shape. The difference between 90 degree and 180 degree angle is the difference of ninety degree angle which is right angle.
90 degree angle is a mathematical term. 90 degree angle is also called right angle. This anger looked like an L shape. The difference between 90 degree and 180 degree angle is the difference of ninety degree angle which is right angle.
