Two angles of a right triangle are in the ratio 2:1. The larger of the two is 20° greater than the smaller one. What is the measure of the obtuse angle of the triangle?
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So take the angles as 2X and X
Then we have by the sum of interior angles :
A+B+C= 180
x+2x+y = 180
So, 3x+y =180
Then we have by the sum of interior angles :
A+B+C= 180
x+2x+y = 180
So, 3x+y =180
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