![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c1ac2e11788860424508ea9e80cf89d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a4c0122aeefeaf1b75ce0b7062216df.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cbce11aa19b8bd2bf6ee5a834e005de.png)
(2)平面四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/510634e49198fc429d942d00fa5446ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92e12209669a12d936c4410eb7527878.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ac451db3443cabb204f96c31fd4a02e.png)
更新时间:2022-07-20 22:19:33
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相似题推荐
解答题-作图题
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【推荐1】下列三角形是否有解?有解的作出解答.
(1)
;
(2)
;
(3)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf0c9e575b7b241e40712152e1279e70.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe3154fbe6813ac2d12b91c9679095df.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d1803c6e2a0de1959b3378bea4536fa.png)
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【推荐2】在
中,角
所对的边分别是
.已知
.
(1)求
;
(2)若
,
,求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81689de504b4883ead126b8fbc67bc35.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/036b23c94e305faaa1283996edc5b30c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd04c6b9cc47521108979a622c2b7c83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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解答题-问答题
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解题方法
【推荐1】
的内角
、
、
的对边分别为
、
、
,已知
.
(1)求
;
(2)若
,
的面积为
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d6081b966383d1d6aa5c6c27e79d155.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc7407d82d6e55b969d34e937ce36f3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38387ba1cadfd3dfc4dea4ca9f613cea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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解答题-问答题
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解题方法
【推荐2】在
中,角A,B,C的对边分别为a,b,c,已知
.
(1)求角C的大小;
(2)若
的面积
,求ab的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b8f5fb1512b5193383c497e48cfb44c.png)
(1)求角C的大小;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07e103d731af406fa23849db05ba61a1.png)
您最近一年使用:0次
解答题-问答题
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名校
【推荐1】在
中,角
,
,
所对的边分别为
,
,
,且
.
(Ⅰ)求角
的大小;
(Ⅱ)若
,且
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/947fc31a87be0e7c7a511b1b0dc50911.png)
(Ⅰ)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(Ⅱ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d5bb03fca785e1e272b5a3fb30244b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98b3132d434668cab754f1540a7ae4b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
您最近一年使用:0次
解答题-问答题
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(0.85)
解题方法
【推荐2】已知
、
、
分别是
的三个内角
、
、
所对
的边
(1)若
面积
求
、
的值;
(2)若
,且
,试判断
的形状.
![](https://img.xkw.com/dksih/QBM/2011/9/13/1570309636562944/1570309641846784/STEM/257b17a0b40b48c591ca0125cd6b7de7.png)
![](https://img.xkw.com/dksih/QBM/2011/9/13/1570309636562944/1570309641846784/STEM/62c79b62fa324e58943104dea926a105.png)
![](https://img.xkw.com/dksih/QBM/2011/9/13/1570309636562944/1570309641846784/STEM/a6e516a346af4064bd406f6fadebd497.png)
![](https://img.xkw.com/dksih/QBM/2011/9/13/1570309636562944/1570309641846784/STEM/f88d0322e0ea49c39af5a7b538168092.png)
![](https://img.xkw.com/dksih/QBM/2011/9/13/1570309636562944/1570309641846784/STEM/2441f1dd3e34412aad195f518c8db4b9.png)
![](https://img.xkw.com/dksih/QBM/2011/9/13/1570309636562944/1570309641846784/STEM/ee462adc348049128bc4c885db9ccbef.png)
![](https://img.xkw.com/dksih/QBM/2011/9/13/1570309636562944/1570309641846784/STEM/938e863e9a8e41a5bd97e9ca11450a64.png)
的边
(1)若
![](https://img.xkw.com/dksih/QBM/2011/9/13/1570309636562944/1570309641846784/STEM/f88d0322e0ea49c39af5a7b538168092.png)
![](https://img.xkw.com/dksih/QBM/2011/9/13/1570309636562944/1570309641846784/STEM/03bc31b5ab7d4199aaf31002c6e4a7a4.png)
![](https://img.xkw.com/dksih/QBM/2011/9/13/1570309636562944/1570309641846784/STEM/257b17a0b40b48c591ca0125cd6b7de7.png)
![](https://img.xkw.com/dksih/QBM/2011/9/13/1570309636562944/1570309641846784/STEM/62c79b62fa324e58943104dea926a105.png)
(2)若
![](https://img.xkw.com/dksih/QBM/2011/9/13/1570309636562944/1570309641846784/STEM/62a840f455ee46579171ff7600b9722b.png)
![](https://img.xkw.com/dksih/QBM/2011/9/13/1570309636562944/1570309641846784/STEM/3c7e71e12087420da5a9498c7fdc4e94.png)
![](https://img.xkw.com/dksih/QBM/2011/9/13/1570309636562944/1570309641846784/STEM/f88d0322e0ea49c39af5a7b538168092.png)
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