Atriangle is such that the largest angle is 3 times the smallest angle. the third angle is 23 less than the largest angle. find the measure of each angle.

largest angle:  3x

smallest angle:  x

third angle:  3x - 23

The sum of the angles of a triangle equals 180°

(3x) + (x) + (3x -23) = 180

7x - 23 = 180

7x = 203

x = 29

largest angle:  3x  = 3(29)  = 87

third angle:  3x - 23   = 3(29) - 23   = 87 - 23   = 64

29°, 64°, 87°

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