saabrrinnaaa
saabrrinnaaa saabrrinnaaa
  • 25-01-2019
  • Mathematics
contestada

please help me with this question

image attached

please help me with this question image attached class=

Respuesta :

tramserran
tramserran tramserran
  • 25-01-2019

Answer:  (D) 9

Step-by-step explanation:

This is an isosceles triangle.  Since the legs are congruent, then the base angles are congruent.

9x + 3 = 84

    - 3      -3

9x        = 81

÷9         ÷9

 x         = 9

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