nguyenthanhphat508 4/11/2024 4:12:08 PM

Câu 48:        Cho hai đường tròn https://lh7-us.googleusercontent.com/NJnxmdTMOODQuVuQhtoCFxhJU_co6qWu6i1RDeedwQC86RhTz2fhUYQUw1N-p-hq3EiegQ2DnjMhmsYCnJwQv_brVQf0sODoUHIpblXaXjwivZ8nQvBIy9938Gxudw1gSJA9eSB52bxCqGM=s800 và https://lh7-us.googleusercontent.com/vArsAl04z6knUnWDqRFtsgP7UG5LASImYh_NnqdzPVCB9cGGRDOrXXGcvEEp8wym-y74Re0N1-pJ5K0v2n2CU3KzkSRkWIMJnFQ4_LsR7TZfhIAuIn8OK49hNNj7BtWJA95GSa04HxN8ALs=s800 cắt nhau tại hai điểm https://lh7-us.googleusercontent.com/2a_XBBLbmOsloABjfR-BN2aFzYHZGWSnuoXix7S4l6GHSL6BXami8JSHR4dXsVXLlUmboQzLT7N8FAax4ZsHo4dP58U8CzJ-oEw_4uKogTj2V6txk879L-DHawHQeYecUpHcLzVOo5w1sNc=s800https://lh7-us.googleusercontent.com/uSylHdA7Q2oJ6HnDlssXAyN22mH2dZvxKYyqgCwPy_qVivWI0A2CAcXTSSgLENuI3lCTs9xnar9nXV91vHCdeRDg_sC7T0gkxaD6H_2QMtOv3p3u5Z59xCiq4HXx-emdHIYb1m6am3FE4pg=s800 sao cho https://lh7-us.googleusercontent.com/8jZAHeGc3tMYNSkXBs9KZsb_0H6WXslJf1GrKQCuwzcvgPAvIHWGoq48XEKEkB8htJvf0E-dpZVIFhDK5Jy9Pkf35X06oNgtkUPdKoI0YY2m-D1r3OkLo4-iSUU_nPtpk9gmrVMgm946LEs=s800 là một đường kính của đường tròn https://lh7-us.googleusercontent.com/L30adUwJeGt9nb1e4AMb_Md3UcRgdT1zRpNnqtcM17ipqQpEmz-NqcWoCPS8v32_rONsp26VUz3EQQwFa3JJWQNS9NPDpiBdlJyCT8-UHdkV3Go_55FOVmDqKCgqUMjckETOHcWSRBlS5kc=s800. Gọi https://lh7-us.googleusercontent.com/Un11P6LaPUBRm2CcJfB-2yODdXcfxbCsHVeu_GFPq7mnR2m61CsmU7pTInO7R7xjTV-DH57Qvxj5wy2DAZh3EVuGx_Ty4YSO1NRKzwRGH3h3a8OuJw9thOvEFIxPhPl7oV8kmTaO-Dbr-Lk=s800 là hình phẳng được giới hạn bởi hai đường tròn. Quay https://lh7-us.googleusercontent.com/Nmecj-f41GSs9OanKYjRNQO9NEE4XshuONks5KxWYEfnw3iTFGev4RxxKNgJP65XS5f_jUpG_a3Wx_itPREgVgtUYj-cfC7fGaoNGozWfjxTfZr_Bzq-3Z4uBM9gwuphhu8wTVmGRvc49-g=s800 quanh trục https://lh7-us.googleusercontent.com/R6VTxRqdLQm5blIqV7hoYQB_EQqCq4_UMPM3Nd2gFwOeYyp5TsKIb2fuDli-wN-vUI5Ua2AMhN9Z3_mdBVnT-KJmqmjMvekXz96dtTiPNUFkWBGk7RNlKBgpBGQpXizHofSFlJ4CD2aLsM8=s800 ta được một khối tròn xoay. Tính thể tích https://lh7-us.googleusercontent.com/xdBpR6fSkGRYtY3epT_WU3_dJmJFR_5GSWp8w6dl17gBCEurEQJw6bfvbU01sPykPoyQg4EPX9Mhl9KMmq5PX_9ZXN1VxzGNbwoC8TTkU0i-4q4B0TDUylEWDUupfpTEjxeyMt-HYVGoqEI=s800 của khối tròn xoay được tạo thành.

https://lh7-us.googleusercontent.com/P9h6PHyT2tJX_3Us3EmpYwkfqqVT6oCr-3gfM6O4gTQFE6PudMQ0FMPQ5JHfn5J4drM3fZAl23LNSAzeYX0qgxNhvGsf08auG6xhPzQ23tKqIwydEsCVsB9IzabmT7LK_ADJXVWHJGWbYU0=s800

A. https://lh7-us.googleusercontent.com/ApjpsoyRBwZYLpMtS6PRIJNKKbY0wM4XziXPlgdaU_yiQ1q8sscAjeToL_tC36lCGugxaXH0lIP7y6MwsX74MMA16v3ySF6npqkkPqcSBNh1mrCDOq4_YVwhU1543Dfji7QE1aTRUu4UCqk=s800        B. https://lh7-us.googleusercontent.com/LPSsM-89VN--YLs-0GLd3U091JjPzztJUXjCm6bEtjjLdwHPY6Ijhp-SSdzwALY2cAylu8saGIFcqE-LwCgmAN2dvcTj8SgEXPUbrdfdQFnqgZJufxD3LjvkIWjMF5cV56PdAfdujzwiV4w=s800        C. https://lh7-us.googleusercontent.com/WgrcOmkWzOfXyimseCwx3dvIXNZLOpYA4RpsKpCqJTvZp3DaIKHxzm1IKFbUty_CFXF_RMCeS1dM9X9ILNmI8_0ZbJuhpuxqoyM66mBQC81dxaLYEUtJxqq-33WCYLWSZNmSI9p040g_RT0=s800        Dhttps://lh7-us.googleusercontent.com/cldw6Eds3AWDOVgSR5FZFqzjKTdd5MY4eaUVQ7LA91cinpvJEDHrPMyv24guZbl5x_dhBKiNx-quRugEKnVkmvz-I6yGxH3YThcIsloUstrgDe2YI3tPvrT9uDtK0FbHUteWI-vWladtr_4=s800

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