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5. From the given figures, find the value of x.(3x + 8°)(2x -33°)110x69 |
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Answer» i) AOB is straight line so sum of angles will be 180°. 3x + 8 + 2x - 33 = 180° 5x - 25 = 180° 5x = 180° + 25° = 205° x = 41° ii)Total sum of angle is 360°So, 110° + 51° + 69° + x = 360° x + 230° = 360° x = 360° - 230° x = 130° |
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