Answer:
sum of the interior angles of a triangle =180
2× + 4× + 30=180
6× + 30= 180
6× + 30 = 180
6× = 180-30
6× =150
6×/6=150/6
×= 25
x = 25
Explanation:
The sum of the three interior angles of a triangle is always 180°.
4x + 2x + 30 = 180
6x + 30 = 180
6x = 150
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