Answer:
All squares are rectangles. Rectangles have 4 right angles. Therefore, all squares have 4 right angles.
Step-by-step explanation:
The old math saying: "Every square is a rectangle, but not all rectangles are squares."
What makes a rectangle a rectangle is that it has four right angles.
A square also has four right angles. Therefore, a square is a type of rectangle.
<h3>What makes the other answers wrong:</h3>
A rectangle does not have equal lengths on all four sides like a square does.
A square MUST have four right angles for it to be a square.
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