Respuesta :

EchoSage

Answer:

12 + [tex]4\sqrt{5}[/tex] approximates to 20.944

Step-by-step explanation:

VU - 8 units

UW - 4 units

VW - [tex]\sqrt{64+16} = \sqrt{80} =4\sqrt{5}[/tex]

12 + 4sqrt(5)

Answer:

6 (2 + √5) units

Step-by-step explanation:

Finding the length of the 3rd side :

*Applying Pythagorean Theorem*

  • VW² = 4² + 8²
  • VW² = 16 + 64
  • VW = √80
  • VW = 6√5

The perimeter :

  • 4 + 8 + 6√5
  • 12 + 6√5
  • 6 (2 + √5) units

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