Respuesta :

Answer:

13.6

Step-by-step explanation:

Use the a^2 + b^2 = c^2 formula.

Answer:

A = 7.55

Step-by-step explanation:

  • A^2 + B^2 = C^2
  • A^2 = C^2 - B^2
  • A = square root (C^2 - B^2)
  • A = square root (11^2 - 8^2)
  • A = square root (121 - 64)
  • A = square root (57)
  • A = 7.55