evelynvelascovianney evelynvelascovianney
  • 17-12-2021
  • Mathematics
contestada

find the perimeter of the triangle A(4,-2) B(9,-2) C(9,10)

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sqdancefan
sqdancefan sqdancefan
  • 18-12-2021

Answer:

  30 units

Step-by-step explanation:

A graph can help you see the lengths of the sides. This is a right triangle, so the length of the hypotenuse is found using the Pythagorean theorem:

  5² +12² = b² = 169

  b = √169 = 13

The perimeter is 5+12+13 = 30 units.

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