khalilha khalilha

29-03-2021
Mathematics

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Pythagorean theorem please help

Pythagorean theorem please help class=

Respuesta :

nicamudence nicamudence

29-03-2021

Answer:

x = 40

Step-by-step explanation:

a²+b²=c²

x²+9²=(x+1)²

x²+81=x²+2x+1

81=x²-x²+2x+1

81=2x+1

81-1=2x

80=2x

x=40

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