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The external angles of a triangle from the three vertices are (2x + 30°), (3x – 10°), 100°. Find the value of x? |
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Answer» 2x + 30 + 3x – 10 + 100 = 360 5x + 120 = 360 5x = 360 – 120 = 240 ∴ x = \(\frac{240}{5}\) = 48 |
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