Question

Prove that each angle of a square is a right angle​

Answer 1

Since all the sides ,angles are equal so the angles in a quadrilateral add up to 360 then 360 divided by 4 must be 90 .

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Answer 2

All four angles of a square are equal(each being 360°/4 = 90°,a right angle).

All four sides of a square are equal.

The diagonals of a square are equal.