mnilexis1
mnilexis1 mnilexis1
  • 15-11-2019
  • Mathematics
contestada

If mZC = 90°, side c= 29, and side a= 21, then side b=_

Respuesta :

sqdancefan
sqdancefan sqdancefan
  • 18-11-2019

Answer:

  b = 20

Step-by-step explanation:

The triangle is a right triangle, so the Pythagorean theorem applies.

  a² + b² = c²

  21² + b² = 29² . . . . . . . . . fill in the given values

  b² = 841 -441 = 400 . . . . subtract 21²

  b = √400 = 20 . . . . . . . . take the square root

Side b is 20 units long.

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