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if the two lengths are not touching, carefully move one of them until they are. measure the length between the outside ends of the two lengths. this makes a triangle. An angle can be calculated by using trigonometry functions on two of the lengths of a triangle. these can be simple or rather complex
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What is the length of the arc formed by central angle 2x?
If the angle is 2x radians then the length of the arc is 2x*r units where the radius of curvature is r units. If you measure the angle in degrees, then the length of the arc is pi*x*r/90 units.
How many degrees does one inch equal?
There is no constant relationship between units of length and units of angle.
What is the length of an arc with a radius of 5 and the central angle is 120 degrees?
Length of arc = pi*radius*angle/180 = 10.47 units (to 2 dp)
What is the approimate side length of a square with a diagonal of 5 units?
The side length of the square is about 3.54 units using Pythagoras' theorem for a right angle triangle
How many degrees does one one thousandth of an inch equal?
There is no constant relationship between units of length and units of angle.
