An isosceles triangle has a perimeter of 45 cm. If the two equal sides are each twice as long as the smallest side, what is the length of the smallest side?
The length of the smallest side is 9. I did 9 times 2 =18 then 18+18=36. 36 is the two equal sides combined add them with 9 and you get 45 the perimeter. This whole thing was process of elimination to try to get 45.
