Find the volume $ V $ of a triangular prism if side $a = 7$ and length $l = 20$.
Answer
$V = 490 \sqrt{ 3 }$
Explanation
To find volume $ V $ use formula:
$$ V = \dfrac{ \sqrt{ 3 } \cdot a ^{ 2 } \cdot l }{ 2 } $$After substituting $ a = 7 $ and $ l = 20 $ we have:
$$ V =\dfrac{ \sqrt{ 3 } \cdot 7 ^{ 2 } \cdot 20 }{ 2 } $$$$ V = \dfrac{ 49 \sqrt{ 3 } \cdot 20 }{ 2 }$$$$ V = \dfrac{ 980 \sqrt{ 3 } }{ 2 } $$$$ V = 490 \sqrt{ 3 } $$This page was created using
Triangular Prism Calculator