Mathematics, 16.04.2021 22:50, emmalucilleblaha1995

If degree measures of the angles of △ABC are represented by 2x, x+10, and 2x−30, then ΔABC must be — A. obtuse.
b. right.
c. isosceles
d. scalene.

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If degree measures of the angles of △ABC are represented by 2x, x+10, and 2x−30, then ΔABC must be —...