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https://vle.mathswatch.co.uk/images/questions/question1232.png thanks in advance.

Guest Mar 29, 2017
 #1
avatar+19632 
+2

Find the volume of this prism.

 

 

\(\begin{array}{|rcll|} \hline V &=& 15\ cm \cdot 12\ cm \cdot 6\ cm - (15\ cm - 5\ cm) \cdot (12\ cm - 8\ cm) \cdot 6\ cm \\ V &=& 15\ cm \cdot 12\ cm \cdot 6\ cm - 10\ cm \cdot 4\ cm \cdot 6\ cm \\ V &=& 1080\ cm^3 - 240\ cm^3 \\ V &=& 840\ cm^3 \\ \hline \end{array}\)

 

laugh

heureka  Mar 30, 2017

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