IB MAI HL Geometry & Trigonometry Topic 3.1 Geometry of 3D Shapes (id: 95af09711

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]
A birthday party cap is made+ h/(mxm wko6rqf2f +r in the form dlw09s d .j0edg4/dlb of a right circular cone that has volume d/e490 sdbj0.llg wd d$950 cm^3$ and vertical height 20 cm.



1.Find the radius, rr, of the circular base of the cone.  cm
2.Find the slant height, ll, of the cone.  cm
3.Find the curved surface area of the cone.  $cm^2$

参考答案:
空格1: 6.73±3%  空格2: 21.1±3%  空格3: 446±3% 


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