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.If x and 3x, (x + 15) and (2x + 30) are the angles of a quadrilateral, find them. Please answer my question step by step my exams are coming soon :) |
Answer» X is 45°Step-by-step EXPLANATION: Sum of all interior ANGLES of qua. = 360°x° + 3x° + x° + 15° + 2x° + 30° = 360°7x° + 45° = 360°7x° = 360° - 45°7x° = 315°x° = 315°/7x° = 45° |
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