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With similar objects (where one is an exact scale version of the other) then if the linear measurements are in the ratio 2 : 3 then the areas are in the ratio 22 : 32 which equals 4 : 9. So if the sides of two triangles have a scale factor of 2/3 then the areas have a scale factor of 4/9.
Two thirds.Two thirds.Two thirds.Two thirds.
8
11 thirds
5 there are 5 thirds in 1 and 2/3....there are 3 thirds in the whole (1) and 2 in the 2/thirds