similarity true or false

all isosceles triangles are similar

false

all right isosceles triangles are similar

false

all right triangles are similar

false

the definition of similarity is if one figure can map onto another using only isometric transformations.

false

all equilateral triangles are similar

true

all isometric transformations all preserve the shape of the figure

true

all isometric transformations are similarity transformations

true

all right triangles with a 27 degree acute angle are similar.

true

congruence is a special case of similarity, when the shape and size is the same.

true

if two sides are proportional, then the two triangles must be similar.

true

similarity transformations all preserve the shape of the figure

true