Angle A : Angle P : Angle ASP are in ratio $1:2:5$. Find the degree measure of angle BSA.
+363 all the angles of a triangle add up to 180 degrees. 1+2+5=8 and 180/8=22.5 so angle a is 22.5, p is 45, and
i'll let you take it from here 
hope this helps,
XxmathguyxX
