Question 74303
I'm assuming side 1 is the hypotenuse. Use Pythagoreans theorem to find the unknown side
{{{a^2+b^2=c^2}}}Let c=17, a=8
{{{8^2+b^2=17^2}}}
{{{64+b^2=289}}}
{{{b^2=289-64}}}
{{{sqrt(b^2)=sqrt(225)}}}
{{{b=15}}}
So the unknown side x is 15