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Figure that are congruent are shapes are the same size and shape. So when two formed congruent triangles are both together they fit just right.
Add them together!
If they are the same shapes but differ only in size, then they are SIMILAR shapes. Otherwise, they are simply different shapes.
trapizium
Because you only need two dimensions to describe it; length and width.
4 rectangles / Correction: two triangles.
Compound
two or more atoms put together is called a molecule.
Figure that are congruent are shapes are the same size and shape. So when two formed congruent triangles are both together they fit just right.
congruent shapes :)
shapes
Add them together!
When you put 2 monomers together, you get a polymer. This reaction is called Polymerization.
If they are the same shapes but differ only in size, then they are SIMILAR shapes. Otherwise, they are simply different shapes.
subtrahend and minuend
Symmetrical
Two or more words put together to create a single complex idea could be called a phrasal compound.