Calculate the length of the triangle's leg when

a) the hypotenuse is [[$ 5 $]] cm and the second leg is [[$ 4 $]] cm.

Answer: The length of the leg is cm.

b) the hypotenuse is [[$ 9.0 $]] cm and the second leg is [[$ 5.0 $]] cm.

Answer: The length of the leg is cm.

c) the hypotenuse is [[$ 13.2 $]] cm and the second leg is [[$ 7.3 $]] cm.

Answer: The length of the leg is cm.

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