bmantpl 4/11/2024 3:35:51 PM

Câu 22:        Cho hình nón có diện tích xung quanh bằng https://lh7-us.googleusercontent.com/TfrSWcG3Qy2q0hK1324cMS4_ksGXYk5ONTlpf7wSm6ggCl-pXvrG0w-SOfGpnxwisJjVblQvo7ikFDZghl9r6WKb_Nmo8gaq86B_vmG-0aYjzlZHIPseZLDtstf07Vg26kighPQF4brmC-g=s800 và bán kính đáy https://lh7-us.googleusercontent.com/wy5Ww_IuGMdcO70h34zYgbtcuW8SLyDNhq5LH7VDCqUsV1KiJsPXAHZOqodrjbM9ulvblGTIuKWUpDDX1TD_kC2gatN1s6gAqCdix-Y09cDRSkjpg9coYle3ca-nZ5MjswEUB0Q84FOJKaw=s800. Độ dài đường sinh của hình nón bằng

A. https://lh7-us.googleusercontent.com/V-RxQDqc4ck3h9swzb-8iKqxu-uPKuyz_3wTRDmqWnCj8TKLVyG3iccmK5NaNPTGXoZjp-uXmj8YFShvvxZMsJJRIl4UM7Tgz49tMKyuw034HQsjTj_lxoZ0LvzA15MoDaHPVlZZESjEBqI=s800.        B. https://lh7-us.googleusercontent.com/Igw91JGhnSNy64TbLpfkpiMZUEN3fkHYInJBJYCqjHE6s9MT2vPSdgiah8b5ShNTWpNUBqcoCpYtxiFTSSNEbhIXTHuE2aVhqKUe_8FDqezOCyy6znWCzcwMY24At_EslxfmJOqiYTKfbvE=s800.        Chttps://lh7-us.googleusercontent.com/fxbGwGGlS_0rE5WYQyDSK6xhl2q6T-BgntVx2EEZIWRmCC56TGLKyuuyhf78c_L8NkUsgDABjb7Llk7SLpaA7If1VY2WTa6AmJN7gOkZX0HxUlVIl-RtK9DTUOFJu33wMjKjT9qDMaS69JI=s800.        D. https://lh7-us.googleusercontent.com/OLQmJI_3tquPkdRrpV3OwcVu1J17fU2GVIjgNCdDBtcUbiWExazfGTN-sRUUPpEhFEvbT4Gn3Sm2KgggSXWpGa1tW6LAjV13wmNW1fMPNCbjnYFYMUUGDUg8cjVTP6_h_6Vvp1ZHLaf7ebk=s800.

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