IB MAI HL Geometry & Trigonometry Topic 3.1 Geometry of 3D Shapes (id: cdf23ba9c

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]
Cylindrical logs of lengt4ly ,i -wpn3a(rr,ugqh 2.7 m and r 7x*t z: d*gjwu/tepfd*i1b-g qb*e o3adius 7.5cm are used to build a wooden cabin3*b dp t/zfdqi:*ext- jb1 *w goug*e7. A wedge is cut from one log and the cross-section of this log is illustrated in the following diagram.


1.Convert 108 degrees into radians, leaving your answer in exact values.
2.Find the length of the missing arc ABC.  cm
3.Find the area of the missing sector ABCO.  $cm^2$
4.Find the volume of this log.  $cm^3$

参考答案:
空格1: 14.1±3%  空格2: 53.0±3%  空格3: 33400±3% 


本题详细解析:

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