In a right-angled triangle, the hypotenuse is 6 cm and one of the legs is 4 cm. Find the length of the second leg.

univerkov | March 20, 2021 | education

Let’s solve the problem using the equation, where x is the unknown leg;

Let’s compose the equation according to the Pythagorean theorem:

x² + 4² = 6²;

x² = 36 – 16;

x² = 20;

x = √20 = 4√4 cm – the required leg.

Answer: the second leg of a right-angled triangle is 4√4 cm.

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