What is the length of the diagonal of a square with a side length of 10?

Category: Math · Difficulty: expert

Hint: Use the Pythagorean theorem.

Answer

10√2

Explanation

The diagonal d = √(side² + side²) = √(10² + 10²) = 10√2.

This is a expert math riddle — one of the harder riddles here. The answer is 10√2.

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