Sometimes, always, nevers - shapes being similar
If 2 triangles are congruent, then they are similar
Always
If the vertex angles of two isosceles triangle are congruent, then the triangles are similar
Always
If two sides of one triangle are proportional to two sides of another triangle, the triangles are similar
Always
Two equilateral triangles are similar
Always
An isosceles triangle is similar to a scalene triangle
Never
A 45 45 90 triangle is the same as a 3 4 5 triangle
Sometimes
If 2 triangles are similar, then they are congruent
Sometimes
Two equilateral polygons are similar
Sometimes
Two isosceles triangles are similar
Sometimes
Two rectangles are similar
Sometimes
Two regular hexagons are similar
Sometimes
Two rhombuses are similar
Sometimes
Two right triangles are similar
Sometimes
two equilateral polygons are equiangular
Sometimes
Two isosceles triangles are similar if the vertex angle of one is congruent to the vertex of another
Always
Two regular octagons are similar
Always
