问题描述: 如图2-1-2,直线AB.CD相交于点O,OE平分∠BOD,且∠AOC=∠AOD-80°,求∠AOE的度数图是我复制的,OF不要 1个回答 分类:数学 2014-09-24 问题解答: 我来补答 .∠AOC + ∠AOD = 180°∠AOC=∠AOD-80°解得:∠AOC = 50°,∠AOD = 130°∠DOE = 1/2 * ∠BOD = 1/2 * ∠AOC = 25°∠AOE = ∠AOD + ∠DOE = 155° 展开全文阅读