Answer:
A square is a box looking like figure with four sides in which all sides have equal length and make an angle (90⁰) with eachother. Equilateral triangle is a triangle(consisting three sides) in which the sides have equal length and making an angle of 60⁰ with each other. Hope this helps.
One has 4 sides and one has 3 sides
Explanation:
a square has 4 sides and an equilateral triangle has 3 sides
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