3 years ago

How do you find x for side bc

Mathematics

1 answer:

lakkis [162]3 years ago

7 0

Find the length of bf and then add it with the length fc

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Evaluate the determinant for the following matrix: 1 4 4 5 2 2 1 5 5

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$\begin{vmatrix}1&4&4\\5&2&1\\1&5&5\end{vmatrix}=1\begin{vmatrix}2&1\\5&5\end{vmatrix}-4\begin{vmatrix}5&1\\1&5\end{vmatrix}+4\begin{vmatrix}5&2\\1&5\end{vmatrix}$
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