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The hypotenuse of a 45°-45°-90° triangle measures 128 cm.
What is the length of one leg of the triangle?
64 cm
64,7 cm
128 cm
128,2 cm

Respuesta :

Good evening ,

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Answer:

None of them is correct.

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Step-by-step explanation

We have to solve the equation:

x²+x²=128² ⇔ 2x²=128² ⇔ x²=128²/2 ⇔ x=128/(√2) ≈ 90,5.

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