All of the angles in a triangle add up to 180 degrees.
They are said to be similar but not congruent triangles.
Pairs of triangles, in general, do not have to be similar.
They are similar triangles.
why triangle are similar
Two equilateral triangles are always similar!
There are no ratios that can be used for triangles that are not similar.
Not always, sometimes two obtuse triangles are similar and sometimes they are not similar.
dilating them.
Dilating them
no theycan not
no
for two similar triangles , their corresponding angles are equal.