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3 years ago

How do you model the square root of 16

2 answers:

7 0

Draw 16 squares, made into a bigger square. (It will basically be a grid with 16 boxes).
Notice that the length of each side of the square is 4 squares. Side 1 (4 squares) x side 2 (also 4 squares) = 16 (in other words, 4 "squared")
Hope that makes sense.. Let me know if not!

kotegsom [21]3 years ago

4 0

$\sqrt{16} =\sqrt{4*4}=\sqrt{4}*\sqrt{4}=2*2=4$

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3 years ago

Find the length of each side of the triangle determined by the three points P1,P2, and P3. State whether the triangle is an isos

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$\sqrt{\bigg ( \textbf{x}_{\textbf{2}} \hspace{1mm} \textbf{- x}_{\textbf{1}} \bigg )^{\textbf{2}} \textbf{+} \bigg( \textbf{y}_{\textbf{2}} \hspace{1mm} \textbf{- y}_{\textbf{1}} \bigg)^ {\textbf{2}}$