Question

How can you tell the difference between a rectacle and rhombus

Answer 1

Rectangles have 90 degree angles, rhombus's don't..
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Answer 2

A square is a type of rectangle, just one where all four sides are the same length. Finally, there's the rhombus, which is a four-sided shape with sides of equal length. The angles can be 90 degrees, but they don't need to be. So, a square is a rhombus, but not every rhombus is a square.