It is 165 degrees because 165+15 = 180 degrees
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If you see the angle is 165° so 100+65 = obtuse angle
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let x = measure of the mystery angle and y = measure of its supplement By definition of supplement, x+y = 180 since any angle and its supplement sum to a straight angle The problem gives us that 3x = y Substituting in 3x for y in the supplement equation gives us x + 3x = 180 4x = 180 x = 180/4 x = 45 Check our answer: The supplement of 45 degrees is 180 - 45 = 135. 45*3 = 135. Therefore, the answer is 45 degrees.
An angle whose measure is 20 degrees!
The measure of an angle whose sides overlap is 0 degrees. It is than not an angle, but rather a line.
An angle of 165 degrees is an obtuse angle because it is greater than 90 but less than 180 degrees.
It is an angle whose measure is 144 degrees!