Hexagon,octagon,nonagon,are a few figures with the same shape but may have a different size.
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Two or more figures of the same shape but with different sizes are said to be similar.
Scalene triangle.
There is no specific name because there is no specific shape. The shape could have anything from 5 to 13 sides depending on the sizes and orientations of the triangle and square.
A closed plane figure, for example, a sector of a circular or elliptical shape has no specific name.
Figures in three dimensions are known as solids.
You can name it or break it down
Scalene triangle.
Similar
Any shape can have any number of sizes.
A hexagon has 6 sides. A cube has 6 faces.
For such large numbers as this, hust call it a "200-sided polygon". This is simpler, and more useful, than inventing fancy names for figures of different number of sizes.
"Plastic name badges come in many different shapes, sizes and colors. They may be in the shape of a circle or oval, a slender rectangle, or wide rectangle."
They are congruent figures.
Condoms come in all different shapes, sizes, colors, smells, flavors, etc. You name the shape or size and its almost guaranteed to exist either online or your local gas station.
It is an irregular 8 sided octagon
They are said to be congruent to each other
There is no specific name because there is no specific shape. The shape could have anything from 5 to 13 sides depending on the sizes and orientations of the triangle and square.
Because of different shape, that's why it has different name.