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【推荐1】已知圆锥的底面半径为eqIdf1bd69290a464f71ac73b93c51985105,母线与底面所成的角为eqId87a9bbb6dd564186905f2064b8c22182,则此圆锥的侧面积为(   )
A. eqIdc7bebb2453684a71aa6e7cea322658d7                   B. eqIdc12500d69e0342b3be4db149b0244a7a                        C. eqIda80a557676ae4316a08672c32cf33de7                     D. eqId7a1ead8f5cfa47f1b68f0ca61cd1599a
难度系数:0.85使用:21次题型:单选题更新:2019/8/24
【推荐2】已知点eqId4215167fe8794de4a602d0c9fd67391e在同一个球的球表面上,eqIde78cce043a6c43329b55788351ff3484平面eqId89fbdcb029be4482b52165366491c70feqIdb1264d334b874eb29ab56a5bf884c764eqId3e911af4857a48b7a0338190bdca66c4eqId922285b1cf32406693c10c09849dafcf,则该球的表面积为( )
A. eqId7681784440c04c469bb134c3ea9fb53a                        B. eqIdf02c7a6cd286450983fa0c3df26806cd                        C. eqIde835a5f3bdf34b269917bf97d468b3cc                      D. eqIdccc069abde5c4b1e8760566e8713e4df
难度系数:0.65使用:53次题型:单选题更新:2019/8/23
【推荐3】已知三棱锥eqId9b254df6ef9f4c07a5c74ba0d7955d3d,侧棱eqIde22044731004459fbd54f62e7b4624b0两两垂直,且eqId00208b53fb8744d3b699c3d4e324e03d,则以eqId2efda802d5534f6d92d9f8af7aaec28b为球心且eqIdf1bd69290a464f71ac73b93c51985105为半径的球与三棱锥eqId9b254df6ef9f4c07a5c74ba0d7955d3d重叠部分的体积是( )
A. eqId1cd99d07edc94b00aca138e60139d5ff                         B. eqIdd3e88ecbd2db456396e01302a43b93d9                          C. eqIdb47bf79338b1478a89eac53d16970cdf                          D. eqId87a9bbb6dd564186905f2064b8c22182
难度系数:0.65使用:23次题型:单选题更新:2019/8/22
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