半圆的面积的题如图,△ABC是直角边长为a的等腰直角三角形,直角边AB是半圆○1的直径,半圆○2过C点且与半圆○1相切,则园中阴影部分的面积是( )A(三十六分之七减π)a² B(三十六分之
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![半圆的面积的题如图,△ABC是直角边长为a的等腰直角三角形,直角边AB是半圆○1的直径,半圆○2过C点且与半圆○1相切,则园中阴影部分的面积是( )A(三十六分之七减π)a² B(三十六分之](/uploads/image/z/1779884-44-4.jpg?t=%E5%8D%8A%E5%9C%86%E7%9A%84%E9%9D%A2%E7%A7%AF%E7%9A%84%E9%A2%98%E5%A6%82%E5%9B%BE%2C%E2%96%B3ABC%E6%98%AF%E7%9B%B4%E8%A7%92%E8%BE%B9%E9%95%BF%E4%B8%BAa%E7%9A%84%E7%AD%89%E8%85%B0%E7%9B%B4%E8%A7%92%E4%B8%89%E8%A7%92%E5%BD%A2%2C%E7%9B%B4%E8%A7%92%E8%BE%B9AB%E6%98%AF%E5%8D%8A%E5%9C%86%E2%97%8B1%E7%9A%84%E7%9B%B4%E5%BE%84%2C%E5%8D%8A%E5%9C%86%E2%97%8B2%E8%BF%87C%E7%82%B9%E4%B8%94%E4%B8%8E%E5%8D%8A%E5%9C%86%E2%97%8B1%E7%9B%B8%E5%88%87%2C%E5%88%99%E5%9B%AD%E4%B8%AD%E9%98%B4%E5%BD%B1%E9%83%A8%E5%88%86%E7%9A%84%E9%9D%A2%E7%A7%AF%E6%98%AF%EF%BC%88+%EF%BC%89A%EF%BC%88%E4%B8%89%E5%8D%81%E5%85%AD%E5%88%86%E4%B9%8B%E4%B8%83%E5%87%8F%CF%80%EF%BC%89a%26sup2%3B+B%EF%BC%88%E4%B8%89%E5%8D%81%E5%85%AD%E5%88%86%E4%B9%8B)
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