我们称两臂长度相等(即CA=CB)的圆规为等臂圆规.当等臂圆规的两脚摆放在一条直线上时,若张角∠ACB=x°,则底角∠CAB=∠CBA=(90-x/2)°.请运用上述知识解决问题:n个相同规格的等臂圆规的两
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![我们称两臂长度相等(即CA=CB)的圆规为等臂圆规.当等臂圆规的两脚摆放在一条直线上时,若张角∠ACB=x°,则底角∠CAB=∠CBA=(90-x/2)°.请运用上述知识解决问题:n个相同规格的等臂圆规的两](/uploads/image/z/2990887-7-7.jpg?t=%E6%88%91%E4%BB%AC%E7%A7%B0%E4%B8%A4%E8%87%82%E9%95%BF%E5%BA%A6%E7%9B%B8%E7%AD%89%EF%BC%88%E5%8D%B3CA%3DCB%EF%BC%89%E7%9A%84%E5%9C%86%E8%A7%84%E4%B8%BA%E7%AD%89%E8%87%82%E5%9C%86%E8%A7%84.%E5%BD%93%E7%AD%89%E8%87%82%E5%9C%86%E8%A7%84%E7%9A%84%E4%B8%A4%E8%84%9A%E6%91%86%E6%94%BE%E5%9C%A8%E4%B8%80%E6%9D%A1%E7%9B%B4%E7%BA%BF%E4%B8%8A%E6%97%B6%2C%E8%8B%A5%E5%BC%A0%E8%A7%92%E2%88%A0ACB%3Dx%C2%B0%2C%E5%88%99%E5%BA%95%E8%A7%92%E2%88%A0CAB%3D%E2%88%A0CBA%3D%EF%BC%8890-x%2F2%EF%BC%89%C2%B0.%E8%AF%B7%E8%BF%90%E7%94%A8%E4%B8%8A%E8%BF%B0%E7%9F%A5%E8%AF%86%E8%A7%A3%E5%86%B3%E9%97%AE%E9%A2%98%EF%BC%9An%E4%B8%AA%E7%9B%B8%E5%90%8C%E8%A7%84%E6%A0%BC%E7%9A%84%E7%AD%89%E8%87%82%E5%9C%86%E8%A7%84%E7%9A%84%E4%B8%A4)
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