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Mathematics 10 Online
OpenStudy (ttop0816):

please help! A road is inclined to the horizontal at an angle of 12°30'. For every 70 feet of roadway, how much does the road actually rise? https://media.glynlyon.com/g_trg_2013/1/grade_12d30m.gif 15.2 ft 15.3 ft 15.5 ft

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