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प्रश्न
Find K in the given figure.
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उत्तर
K + 150° + 90° + 30° + K - 15° = 360°
2K + 270° - 15° = 360°
2K + 255° = 360°
2K = 360° - 255°
2K = 105°
K = `105/2` = 52.5
K = 52.5° = 52° 30'
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