QUESTION IMAGE
Question
what is the volume of this sphere?
round your answer to the nearest hundredth.
7m
cubic meters
Step1: 写出球体体积公式
球体体积公式为\(V = \frac{4}{3}\pi r^{3}\)(其中\(V\)是体积,\(r\)是半径)。
Step2: 代入半径值计算
已知半径\(r = 7m\),将其代入公式可得\(V=\frac{4}{3}\times\pi\times7^{3}\)。
先计算\(7^{3}=7\times7\times7 = 343\),则\(V=\frac{4}{3}\times\pi\times343=\frac{1372\pi}{3}\)。
取\(\pi\approx3.14\),\(V=\frac{1372\times3.14}{3}=\frac{4308.08}{3}\approx1436.03\)(\(m^{3}\))。
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\(1436.03\)