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Right angle, obtuse angle, acute angle, supplementary angle, complementary angle, interior angle, exterior angle, adjacent angle
the angle of incidence is the initial ray angle and the angle of reflection is the reflected ray angle
The angle of incidence
reflex angle!
It is a reflex angle
The TPTZ-Fe reaction is used in the ferric reducing antioxidant power (FRAP) assay to measure the antioxidant capacity of a substance. In this reaction, the TPTZ reagent (2,4,6-tripyridyl-s-triazine) reduces the ferric ion (Fe3+) to ferrous ion (Fe2+), resulting in a colored product that can be quantified spectrophotometrically. The intensity of the color formed is directly proportional to the antioxidant power of the substance being tested.
To make FRAP (Ferric Reducing Antioxidant Power) reagent, mix 25 ml of acetate buffer, 2.5 ml of TPTZ solution, and 2.5 ml of FeCl3 solution. Store the reagent in a dark container at 4°C until needed.
Right angle, obtuse angle, acute angle, supplementary angle, complementary angle, interior angle, exterior angle, adjacent angle
the angle of incidence is the initial ray angle and the angle of reflection is the reflected ray angle
The angle of incidence
A right angle is a angle with 90o
It is: "angle a is not a right angle" or "angle a is greater than or less than a right angle".
obtuse angle
reflex angle!
It is a reflex angle
First: A right angle is an angle of 90 degrees Second: An obtuse angle is an angle of 91 degrees to 179 degrees A right angle can not have an obtuse angle
An angle of 145o is obtuse. An angle less than 90o is an acute angle An angle of 90o is a right angle An angle between 90o and 180o is an obtuse angle An angle of 180o is a straight line An angle greater than 180o is a reflex angle.