# Finding the diagonal of a square

The diagonal of a square formula, is d = a√2; where 'd' is the diagonal and 'a' is the side of the square. The formula for the diagonal of a square is derived using the Pythagoras theorem. A

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To calculate the diagonal of a square, multiply the length of the side by the square root of 2 2 2: d = a ⋅ 2 d = a\cdot\sqrt{2} d = a ⋅ 2 So, for

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## How to Find the Diagonal of a Square? (Examples)

What is proportional to the diagonal length of a square? To calculate the diagonal of a square, multiply the length of the side by the square root of 2: d = a√2. So, for example, if   ## 3 Ways to Calculate a Diagonal of a Square

Find the side length of the square by using the formula : Plug the side length into the formula : So, the length of the diagonal is about 15.5 cm. 2 Find the distance between

## Diagonals of a square with calculator

The perimeter of a square is 48. What is the length of its diagonal? Possible Answers: Correct answer: Explanation: Perimeter = side * 4 48 = side * 4 Side = 12 We can break up the square into two equal right triangles. The diagonal of the

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