701331
701331 701331
  • 03-02-2020
  • Mathematics
contestada

2. Can someone explain how to solve this?

2 Can someone explain how to solve this class=

Respuesta :

jay40891
jay40891 jay40891
  • 03-02-2020

Answer:

Step-by-step explanation:

∠CBA = 90° [Angle in a semicircle is 90°]

Since all the angles of a triangle add up to 180°,

26° + 90° + (3x + 4)° = 180°

120 + 3x = 180

3x = 60

x = 20

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