52.8k views
5 votes
Finding missing side and round to nearest tenth and I'm having trouble

Finding missing side and round to nearest tenth and I'm having trouble-example-1
User DrakaSAN
by
8.5k points

1 Answer

1 vote

Since it is a right triangle, we can use the Pythagorean theorem, as follows:


a^2+17^2=18^2

And solve for a:


\begin{gathered} a^2+289=324 \\ a^2+289-289=324-289 \\ a^2=35 \\ a=√(35)=5.9 \end{gathered}

Answer: missing side = 5.9

User Pete Freitag
by
8.7k points