baeklinh0415 4/11/2024 3:04:15 PM

Câu 13:        Cho hình nón có diện tích xung quanh bằng https://lh7-us.googleusercontent.com/5-mAStwPd1xjl5-Vaf-z2ixKy9WPIRYFj42UMXZHBh_NDNlCQzpXK1IqJGoNSEVlI5Gf3sXREMf9n-7XlZA800lAx9lggZ251tdbv7YgRRQf82hlh8Tf-zGu6Ssx-TcppuetZpf0IJlSn64=s800 và bán kính đáy bằng https://lh7-us.googleusercontent.com/qxHVn-8jlB7EHZ20l2WD09a70tzs3N9NLtmnLDfGdjPZ7zHOzpTiSEglMsc7-DfZ3eTO1xdRzH5P8flB9pJ_cqd5q8Fz4a35H4TCrBcX7g0GQHLQYocLOnovQZugejiwu7TSKS-kys9xWRI=s800. Độ dài đường sinh của hình nón là

A. https://lh7-us.googleusercontent.com/w8hlh-581Xwby7hihdfHlh8kIZ1XqwGGcLn_GlTG-jr2_Tqa6XCLLUmgiZOF9kgm0riWeGIHFhvkxbf4iIV7T510MVFaSCEm5Fp1rx-G2BzWwQHu5za2dyq8cdutuROJqiyPKDx7RJY1v0s=s800.        Bhttps://lh7-us.googleusercontent.com/7pJ_VUnyKVnIg5uFEwIT4v9lkl-cWkTQ8xAFnHM0cEmXeBuwKb60SS0KhElC73bz_4VHipOsKLdKGnMbbC8DiIBjLQ0mEacSqpRvFYLDdrSjqUxgxTHrJzRqI0p7liLEG27VEDtp_iJMjxA=s800.        C. https://lh7-us.googleusercontent.com/QSbc7ZKLTAbqZCatp3Ewle-zx88OPsuhNYz95zja1jq2MTkdrVQvIC0R9JrS-scyyhYB6fiJqFuoLecTv8lfbalbCHWn4yYZW2P6Mjp8gs51C_semC8E055Ts7oG7SjeyyAfFgJ2zuPvksQ=s800.        D. https://lh7-us.googleusercontent.com/CeAK2T5NwYxNzEoFygeUo7lfKWh1oaTcct7smtWX-miWNLFcRbsYIITxfpXrMTSLncx7ZthpziDtPojT9FJhR49zsaVZhfb1KAatmxuPNAY9Xx00fgO4234NokOqPKv5MaDPyxCncIV0VXo=s800.

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