QUESTION IMAGE
Question
what is the volume of this cylinder?
round your answer to the nearest hundredth.
9 yd
6 yd
cubic yards
Step1: 写出圆柱体积公式
圆柱体积公式为 \(V=\pi r^{2}h\),其中\(r\)是底面半径,\(h\)是圆柱的高。
Step2: 代入数值计算
已知\(r = 9\)码,\(h=6\)码,代入公式可得\(V=\pi\times9^{2}\times6\)。
先计算\(9^{2}=81\),则\(V=\pi\times81\times6 = 486\pi\)。
取\(\pi\approx3.14159\),则\(V\approx486\times3.14159\)。
\(486\times3.14159 = 1526.81274\)。
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\(1526.81\)