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The four angles of a quadrilateral are as 3 : 5 : 7 : 9. Find the angles. |
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Answer» We know that Sum of angles of a quadrilateral is = 360° Let each angle be x° So, 3x° + 5x° + 7x° + 9x° = 360° 24x° = 360° x° = 360°/24 = 15° Value of angles are 3x = 3 × 15 = 45° 5x = 5 × 15 = 75° 7x = 7 × 15 = 105° 9x = 9 × 15 = 135° ∴ Value of angles are 45°, 75°, 105°, 135° |
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