An angle whose measure is 20 degrees!
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It is a right angle triangle and its 3rd angle is 70 degrees.
Each exterior angle measures 20 degrees Each interior angle measures 160 degrees
The 3rd angle is 70 degrees which would form a right angle triangle.
Its exterior angle is 20 degrees and it will have 360/20 = 18 sides
18 degrees
to construct an angle of 20 degrees all you have to do is to trisect an angle of 60degrees
100
It is a right angle triangle and its 3rd angle is 70 degrees.
The key is to recognize that "the angle of INCIDENCE is equal to the angle of REFLECTION", for an 'Elastic' collision. So the answer is 20 degrees.
It is: 160 degrees
Between 15 and 20 degrees...
20 degrees
Exterior angle = 20 degrees Interior angle = 160 degrees
90 - 20 = 70 degrees.
Each exterior angle measures 20 degrees Each interior angle measures 160 degrees
The 3rd angle is 70 degrees which would form a right angle triangle.
180 degrees - 160 degrees = 20 degrees (the exterior angle). 360/20 = 18sides