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今日一题100，数学几何，求三角形面积？
数学几何，求三角形面积？
今日一题几何专题1/18
App01:00![[今日一题]101:求三角形面积？](http://p26-sign.bdxiguaimg.com/tos-cn-i-0026/o4UHDCG7gQlpAQEClAgOvk8fBOAfC8biC9AQnA~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202501220132087C15C4D606F570F9D288&requestFrom=704&version_code=80402&x-expires=1769016729&x-signature=AFC9yzppRUHenY4lKhRXjjTFOqQ%3D)
App01:01![[今日一题]102:求三角形面积？](http://p26-sign.bdxiguaimg.com/tos-cn-i-0026/o8AwAtKvzADlfA2BLwh1GKEBeCCIUDCgLdpToA~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202501220132087C15C4D606F570F9D288&requestFrom=704&version_code=80402&x-expires=1769016729&x-signature=SvYbh2fRsEX2lgE5s5UqymzIW28%3D)
App01:02![[今日一题]103,几何专题，求角B是多少度角？](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/oshAICANV7uEBDARbteluAfviAQz7DgAAbObyC~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202501220132087C15C4D606F570F9D288&requestFrom=704&version_code=80402&x-expires=1769016729&x-signature=Tzvc3t%2BkKW3tKRwIFT1BGgaRpFc%3D)
App01:09![[今日一题]104：几何专题，求角C是多少度角？](http://p26-sign.bdxiguaimg.com/tos-cn-i-pk90l89vgd/d2be4f9979f94971bc40e4c8e3106a58~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202501220132087C15C4D606F570F9D288&requestFrom=704&version_code=80402&x-expires=1769016729&x-signature=JYH2HIPYKH%2F9%2BHXqUaQwqyXm%2BxA%3D)
App01:06![[今日一题]105：已知S△BOE=8,S△BOC=20,S△COF=10,求AEOF面积?](http://p3-sign.bdxiguaimg.com/tos-cn-i-pk90l89vgd/c66b012db6894a9b88df9f2535186896~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202501220132087C15C4D606F570F9D288&requestFrom=704&version_code=80402&x-expires=1769016729&x-signature=pb99HX35wqnUbFPP2UcS2%2FWDz6U%3D)
App01:06![[今日一题]106：几何专题，数学趣题，求梯形ABCD的面积？](http://p3-sign.bdxiguaimg.com/tos-cn-i-pk90l89vgd/108b5c0e88704f16b9ac1391055da24d~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202501220132087C15C4D606F570F9D288&requestFrom=704&version_code=80402&x-expires=1769016729&x-signature=%2FRTPTPzgnDKzL72gdKrUrUvLpwg%3D)
App01:06![[今日一题]107题，几何专题，求矩形面积是多少？](http://p26-sign.bdxiguaimg.com/tos-cn-i-pk90l89vgd/795f8926e9d3438f8f7c52348fb011e6~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202501220132087C15C4D606F570F9D288&requestFrom=704&version_code=80402&x-expires=1769016729&x-signature=9EbofbCaV7jEPWceg%2B%2FUj8Pu5l0%3D)
App01:04![[今日一题]108：几何专题，求阴影部分面积是多少？蝴蝶模型](http://p26-sign.bdxiguaimg.com/tos-cn-i-pk90l89vgd/2ebfe7f02b0b44d992fa83ce118b5f33~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202501220132087C15C4D606F570F9D288&requestFrom=704&version_code=80402&x-expires=1769016729&x-signature=8lgmWkpK3i4v7ChmJ0lwF3Tvm6A%3D)
App01:07![[今日一题]109：几何专题，燕尾模型求四边形ABCD面积是多少？](http://p3-sign.bdxiguaimg.com/tos-cn-i-pk90l89vgd/3471d8d32b804f67af307af75f6df934~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202501220132087C15C4D606F570F9D288&requestFrom=704&version_code=80402&x-expires=1769016729&x-signature=HRTOryzW4Qf95oWGnjcu53ArvQQ%3D)
App01:07![[今日一题]110：几何专题，求△ADE面积是多少？](http://p3-sign.bdxiguaimg.com/tos-cn-i-pk90l89vgd/744d281f5508442381083c08f2f63c1c~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202501220132087C15C4D606F570F9D288&requestFrom=704&version_code=80402&x-expires=1769016729&x-signature=lNynQTB94MXKMs4%2BZ0lIsdCId2M%3D)
App01:03![[今日一题]111：几何专题，求矩形ABCD面积是多少？](http://p26-sign.bdxiguaimg.com/tos-cn-i-pk90l89vgd/55f6ba7318614660963207f33a83f6f2~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202501220132087C15C4D606F570F9D288&requestFrom=704&version_code=80402&x-expires=1769016729&x-signature=x6Y1TENrQIYhMKlG0Mzqhd0%2F2bw%3D)
App01:03![[今日一题]112：几何专题，求∠B是多少度角？@](http://p3-sign.bdxiguaimg.com/tos-cn-i-pk90l89vgd/f1a9c6dd28084260a77dc4caaa523536~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202501220132087C15C4D606F570F9D288&requestFrom=704&version_code=80402&x-expires=1769016729&x-signature=5daa%2F%2BfY3Y%2B0YKMdQcN0lJ2m898%3D)
App01:03![[今日一题]113：几何专题，求阴影部分面积是多少？](http://p3-sign.bdxiguaimg.com/tos-cn-i-pk90l89vgd/94db7001574341cca50d22ec4f1b5551~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202501220132087C15C4D606F570F9D288&requestFrom=704&version_code=80402&x-expires=1769016729&x-signature=LrPG7F3g8hdQBq4m4uHfeW8AmA4%3D)
App01:22![[今日一题]114：几何专题，求度角？](http://p26-sign.bdxiguaimg.com/tos-cn-i-pk90l89vgd/ca1c7b157db641948668a3fc5f69331f~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202501220132087C15C4D606F570F9D288&requestFrom=704&version_code=80402&x-expires=1769016729&x-signature=sxRS3rIR3e5AcHmk3PUuyMDWqLc%3D)
App01:03![[今日一题]115：几何专题，求∠B是多少度角？](http://p3-sign.bdxiguaimg.com/tos-cn-i-pk90l89vgd/ce7d8effdd1e4758b80e06f1d017b719~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202501220132087C15C4D606F570F9D288&requestFrom=704&version_code=80402&x-expires=1769016729&x-signature=5P7QgUZZwO%2Batvu2%2B9z5dICz2Lc%3D)
App01:03![[今日一题]116：几何专题，求四边形ABCD的面积是多少？](http://p3-sign.bdxiguaimg.com/tos-cn-i-pk90l89vgd/9bf6965b89eb4db3a4f9d0f7866fac53~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202501220132087C15C4D606F570F9D288&requestFrom=704&version_code=80402&x-expires=1769016729&x-signature=LOQ%2F3JVSuZ4qKYMO5mTrZjn%2B0WA%3D)
App01:04![[今日一题]117：几何专题，求阴影部分面积是多少？](http://p26-sign.bdxiguaimg.com/tos-cn-i-pk90l89vgd/a789e653d64244f99a2ae09b0c5d403e~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=202501220132087C15C4D606F570F9D288&requestFrom=704&version_code=80402&x-expires=1769016729&x-signature=7Rx1AxmTdqfpc96pukTb%2BFagYIs%3D)
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数学几何，求三角形面积？
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