Question 1053026
{{{A+B+90=180}}}
{{{B=90-A}}}
B= 27°10'
{{{sin(A)/a=sin(B)/b}}}
{{{b=a(sin(B)/sin(A))}}}
{{{b=70(0.4566/0.8897)}}}
{{{b=35.9}}}
So then,
{{{a^2+b^2=c^2}}}
{{{70^2+35.9^2=c^2}}}
{{{c^2=6190.62}}}
{{{c=78.7}}}
Finally, 
{{{P=a+b+c}}}
{{{P=70+35.9+78.7}}}
{{{P=184.6}}}