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What is the angle of reflection if the angle between the incident ray and reflected ray is 140 degrees?
The angle of reflection is 140/2 = 70 degrees. The angle of reflection is the same as the the same as the incident.
Is acute angle and right angle the same thing?
No. An acute angle is an angle smaller than 90 degrees. A right angle is an angle that is exactly 90 degrees
Is a reflex angle and a obtuse angle the same?
No, a reflex angle and an obtuse angle are not the same. An obtuse angle is an angle that measures between 90 and 180 degrees, while a reflex angle measures greater than 180 degrees but less than 360 degrees. In other words, a reflex angle is larger than a straight angle (180 degrees) but smaller than a full rotation (360 degrees).
What triangle has 2 sides the same and the same length and a angle of 90 degrees?
An isosceles right angle triangle
What are two angles that have the same measures have the sum of 90?
Two angles that have the same measure and sum up to 90 degrees are complementary angles. For example, if one angle measures 45 degrees, the other angle will also measure 45 degrees, and their sum will be 90 degrees.
