<p>图示截面，其轴惯性矩的关系为： <img alt="" src="https://file.gaojiufeng.cn/learnAppQuestion/b2/43/b243f3555858a3b69548af6ad7feb3c0.jpg" style="width: 100%;height: auto;"><img alt="" src="https://file.gaojiufeng.cn/learnAppQuestion/35/a2/35a2919668a57a4c4c85820025b3f8b1.jpg" style="width: 100%;height: auto;"></p>