IB MAI HL Geometry & Trigonometry Topic 3.1 Geometry of 3D Shapes (id: 82358c18f

本题目来源于试卷: IB MAI HL Geometry & Trigonometry Topic 3.1 Geometry of 3D Shapes，类别为 IB数学

[填空题]
John is building furng 7dg14m it7b:k7qvko; )iz /4jgvx3- fb1bnbgfn:do iture using cylindrical logs of length 1.81.8 m and radius 9.29.2 cm. A wedge is cut from one log and the cross-section of this log iv1ggfb:b/dznxfin ; -o)4b 3js illustrated in the following diagram.

1.Find the length of the wedge arc, ABC.  cm
2.Find the area of the empty sector, OABC.  $cm^2$
3.Find the volume of each log.  $cm^3$

参考答案:
空格1: 16.1±3%  空格2: 73.9±3%  空格3: 34600±3% 


本题详细解析:

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