Answer:
3x + 1 + 5x - 7 + 11x - 4 = 180°
x = 10°
Step-by-step explanation:
Sum of angle in Triangle = 180°
So lets add up the angles with combining like terms.
3x + 1 + 5x - 7 + 11x - 4 = 180°
19x + 1 - 7 - 4 = 180°
19x - 10 = 180°
19x = 190
x = 10°
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-Chetan K
