Triangle ABC is isosceles with AB = BC. If AC = 20 and ABC = 240, then find the perimeter of triangle ABC.
AC is the base. Base * height/2 = 240.
20 * height/2 = 240.
THen use the pythogoream theoreom to solve for the sides.
thank you!
no problem, feel free to ask if you are stuck on anything else!
+1005 
