SOLUTION: so i am taking a test and my teacher said to find the answer but i dont understand how to get the answer so the question is what is the measure of arc XY and it gives you to angle

Question 754482: so i am taking a test and my teacher said to find the answer but i dont understand how to get the answer so the question is what is the measure of arc XY and it gives you to angle that equal 90 degrees how would you go about finding out that answer?
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!

An arc is a part of the circumference between two points or a continuous piece of a circle.
if arc gives you to angle that equal degrees which is of degrees that a full circle has, then the measure of arc will be => =>
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