3 years ago

Calculate the volume of the 3-D composite figure please!! show how you got the volume

Mathematics

1 answer:

DaniilM [7]3 years ago

7 0

Answer:

5760+ 90π m³ or ≈ 6042.74 m³

Step-by-step explanation:

V = πr²h + (l×w×h)

= π3²10 + (20×16×18)

= 90π + (5760)

= 6042.7433388

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$De finition:\\\sqrt{a}=b\ \iff b^2=a\\=====================\\\\$

$625|5\\125|5\\.\ 25|5\\.\ \ 5|5\\.\ \ 1|\\\\625=5\times5\times5\times5=5^2\times5^2\\\\\sqrt{625}=\sqrt{5^2\times5^2}=(*)\\-------------------------------\\use:\ \sqrt{a\times b}=\sqrt{a}\times\sqrt{b}\ and\ \sqrt{a^2}=a\ for\ a\geq0\\-------------------------------\\(*)=\sqrt{5^2}\times\sqrt{5^2}=5\times5=\boxed{25}$

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