如图,在绿茵场上.足球运动员带球进攻,总是尽力面向球门AB冲近.(1)在D点的射门角度∠ADB与C点的射门角度∠ACB哪个大?请说明理由.(2)若测得∠1=30º,∠2=20º,∠ACB=50°,请计算出球员在
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![如图,在绿茵场上.足球运动员带球进攻,总是尽力面向球门AB冲近.(1)在D点的射门角度∠ADB与C点的射门角度∠ACB哪个大?请说明理由.(2)若测得∠1=30º,∠2=20º,∠ACB=50°,请计算出球员在](/uploads/image/z/3615161-41-1.jpg?t=%E5%A6%82%E5%9B%BE%2C%E5%9C%A8%E7%BB%BF%E8%8C%B5%E5%9C%BA%E4%B8%8A.%E8%B6%B3%E7%90%83%E8%BF%90%E5%8A%A8%E5%91%98%E5%B8%A6%E7%90%83%E8%BF%9B%E6%94%BB%2C%E6%80%BB%E6%98%AF%E5%B0%BD%E5%8A%9B%E9%9D%A2%E5%90%91%E7%90%83%E9%97%A8AB%E5%86%B2%E8%BF%91.%EF%BC%881%EF%BC%89%E5%9C%A8D%E7%82%B9%E7%9A%84%E5%B0%84%E9%97%A8%E8%A7%92%E5%BA%A6%E2%88%A0ADB%E4%B8%8EC%E7%82%B9%E7%9A%84%E5%B0%84%E9%97%A8%E8%A7%92%E5%BA%A6%E2%88%A0ACB%E5%93%AA%E4%B8%AA%E5%A4%A7%3F%E8%AF%B7%E8%AF%B4%E6%98%8E%E7%90%86%E7%94%B1.%EF%BC%882%EF%BC%89%E8%8B%A5%E6%B5%8B%E5%BE%97%E2%88%A01%3D30%26%23186%3B%2C%E2%88%A02%3D20%26%23186%3B%2C%E2%88%A0ACB%3D50%C2%B0%2C%E8%AF%B7%E8%AE%A1%E7%AE%97%E5%87%BA%E7%90%83%E5%91%98%E5%9C%A8)
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