Respuesta :

thebecks

Answer:

A) x=sq rt 80

Step-by-step explanation:

by the Pythagorean theorem

4^2+8^2=x^2

16+64=x^2

80=x^2

x=sq root 80

devishri1977

Answer:

Step-by-step explanation:

Pythagorean theorem,

Hypotenuse² = Altitude² + Base²

x² = 8² + 4²

   = 64 + 16

  = 80

x = √80

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