Q: Are all similar triangles also congruent?

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The triangles are also congruent.

No. For example the triangles with sides {3, 4, 5} and {6, 8, 10} are similar but not congruent.

No. You can have two triangles that are congruent to one another, and two quadrilaterals that are congruent to one another. But the triangle cannot be similar to the quadrilateral!

When all of their corresponding angles are congruent (in any triangle, in fact) then the triangles are similar. Similarity postulate AAA. (angle-angle-angle)

All the corresponding sides in congruent triangles are equal All the corresponding angles in congruent triangles are equal

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Triangles are congruent if all three sides in one triangle are congruent to the corresponding sides in the other.When two triangles have corresponding sides with identical ratios, the triangles are similar.Of course if triangles are congruent, they are also similar.

All equiangular triangles are similar, but not congruent. They all have three 60 degree angles. This does not mean that they all have the same side lengths though. Therefore, they are only similar, not congruent.

Congruent triangles are the same because all three sides measure the same length.

The triangles are also congruent.

the corresponding sides are congruent

no. if one triangles sides are all 2 and one triangles sides are all 3 then they are not congruent

No. For example the triangles with sides {3, 4, 5} and {6, 8, 10} are similar but not congruent.

No. You can have two triangles that are congruent to one another, and two quadrilaterals that are congruent to one another. But the triangle cannot be similar to the quadrilateral!

When all of their corresponding angles are congruent (in any triangle, in fact) then the triangles are similar. Similarity postulate AAA. (angle-angle-angle)

No. But they are all similar.

All the corresponding sides in congruent triangles are equal All the corresponding angles in congruent triangles are equal

You can't use AAA to prove two triangles congruent because triangles can have the same measures of all its angles but be bigger or smaller, AAA could probably be used to prove two triangles are similar not congruent.