Two angle of a triangle are in the ratio 4:5if these angle is equal to the thrid. find the angles of a triangle.
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Let the angles be 4x and 5x.
then 3rd angle=9x
Now,4x+5x+9x=180
<=>x=180/18=10
So,angles=40,50,90
then 3rd angle=9x
Now,4x+5x+9x=180
<=>x=180/18=10
So,angles=40,50,90
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