Respuesta :

kaidenvtruong

Answer:

The dotted line has a length of 14.5

Step-by-step explanation:

Hypotenuse- c^2= a^2 + b^2

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mhanifa

Answer:

  • 14.5 units

Step-by-step explanation:

Use Pythagorean to find the required length

Dotted line is the diagonal of the rectangle, let it be d

Missing side of the rectangle is the hypotenuse of the right triangle, let it be a

  • d² = a² + 9² = 9² + 7² + 81 = 130 + 81 = 211
  • d = √211 = 14.5 (rounded)

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