Geometry & Shapes (id: d5e922602)

本题目来源于试卷: Geometry & Shapes，类别为 IB数学

[填空题]
A bronze sphere has ahq(d0a grxfd r0r9q)6 epp5a4 ,jyyg :radius of 10.5 $\mathrm{~cm}$ .
1. Find the volume of the sphere, expressing your answer in the form a $\times 10^{k}$, $1 \leq a<10 $ and $k \in \mathbb{Z}^{+}$ .

The sphere is to be melted down and remoulded into the shape of a cone with a height of 11.9 $\mathrm{~cm}$ .≈    $\times 10^3$cm
2. Find the radius of the base of the cone, giving your answer correct to 3 significant figures.≈    cm

参考答案:
空格1: 4.85±2%  空格2: 19.73±2% 


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