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LINES AND ANGUSIn Fig. 6.14, lines XY and MN intersect at O. IfPOY = 90° and a :b 2:3, find c.Fig. 6.14

Answer»

answer is 126 degree

2x + 3x= 90x = 182x = 36°, 3x = 54°C = 180°- 54°126°



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