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What is the incidence angle at which the angle of refraction is 90 degrees called?
A right angle.
What is a unit used to measure an angle?
A degree is the measure of an angle.
A ray of light is incident towards a plane mirror at an angle of 30-degrees with the mirror surfaceWhat will be the angle of reflection?
The angle of reflection is equal to the angle of incidence. It will be at 30o to the surface of the mirror (from the opposite edge) ^ This answer is not correct for SURFACE, but is correct for RELATIVE ^
What is a tetrahedral angle?
In a tetrahedral molecule the characteristic angle between atoms is 109,5 degrees.
What is the measurement of a 38 degree angle?
The measurement could be the value, 38 degrees, or it could be the actual act of measuring the angle.
What angle measures 170?
An angle of 170 degrees is an obtuse angle.
What is the reference angle of negative 200 degrees?
To find the reference angle for negative 200 degrees, first convert it to a positive angle by adding 360 degrees, resulting in 160 degrees. The reference angle is then found by subtracting this angle from 180 degrees, yielding a reference angle of 20 degrees. Thus, the reference angle for negative 200 degrees is 20 degrees.
What is the reference angle for an angle with the measure of 175 degrees?
The reference angle for an angle with the measure of 175 degrees is 5 degrees
What angle is 170 degrees?
As 170 degrees is greater than 90 degrees, but less than 180 degrees, the angle is obtuse.
What is the reference angle of 80 degrees?
The reference angle is the acute angle formed by the terminal side of an angle and the x-axis. For an angle of 80 degrees, since it is already in the first quadrant and less than 90 degrees, the reference angle is simply 80 degrees itself. Thus, the reference angle of 80 degrees is 80 degrees.
What is the reference angle of 10 degrees?
The reference angle is the acute angle formed between the terminal side of the angle and the x-axis. For an angle of 10 degrees, since it is already in the first quadrant and is acute, the reference angle is simply 10 degrees itself. Thus, the reference angle for 10 degrees is 10 degrees.
What is the reference angle of 90 degrees?
Quadrantals are their own reference angle, so 90 degrees.
What is 170 degrees as in angles?
An obtuse angle.
What is a 170 degree angle?
An angle that has 170 degrees is considered an "obtuse" angle. This is because it exceeds 90 degrees. Anything below 90 would be an "acute" angle.
Find the reference angle for the angle 59 degrees?
90 degrees
What is the reference angle of 353 degrees?
353 degrees is a reflex angle
Why is 90 degrees taken as angle of reference in trigonometry?
It is not. The angle of reference is 2*pi radians or 360 degrees.
