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Find the missing length of the triangle 8.5 m a 7.5 m The missing length is meters.

Find the missing length of the triangle 8.5 m a 7.5 m The missing length is meters-example-1
User Johannes Charra
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1 Answer

23 votes
23 votes

Since it is a right triangle, we can use pythagorean theorem:


\begin{gathered} c^2=a^2+b^2 \\ where \\ c>a,c>b \\ Let \\ c=8.5m \\ b=7.5m \end{gathered}

So:


\begin{gathered} 8.5^2=a^2+7.5^2 \\ a=\sqrt[]{8.5^2-7.5^2} \\ a=\sqrt[]{72.25-56.25} \\ a=\sqrt[]{16} \\ a=4m \end{gathered}

User HenryR
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