Two geometric shapes are similar if they have same size,shape, side lengths,and angles.
Two shapes are similar when the sides of one are directly proportional to the corresponding sides of the other. That all the corresponding angles are equal.
Two shapes are said to be similar if they have the same angles, and the crresponding sides are all in the same proportion.
You can have two shapes - a small one and a big one - whose angles are congruent but the sides are not. In that case the shapes are not congruent but similar.
In short, no. Similar shapes are shapes in which all corresponding angles congruent regardless of the length of the sides. Congruent shapes have congruent corresponding angles and corresponding sides. In effect congruent shapes is a special condition of similar shapes.
hexagon and pentagon
The two similar shapes will have the same angles
If they are the same shapes but differ only in size, then they are SIMILAR shapes. Otherwise, they are simply different shapes.
south america and africa
similar shapes are shapes that have the same angles but are different sizes.
They are similar to each other by ratio and angles