In a right-angled triangle, the hypotenuse is 7, and the leg is 6. Find the second leg (by the Pythagorean theorem)

Pythagorean theorem
c ^ 2 = a ^ 2 + b ^ 2
Where c is the hypotenuse
a and b are two legs of a right-angled triangle.
a = √c ^ 2-b ^ 2
a = √7 ^ 2-6 ^ 2 = √13
√13 = approximately 3.6



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