intragram10
intragram10 intragram10
  • 03-10-2020
  • Mathematics
contestada

Find the size of angle x​

Find the size of angle x class=

Respuesta :

mhanifa
mhanifa mhanifa
  • 03-10-2020

Answer:

  • x = 45°

Step-by-step explanation:

Sum of angles of a triangle is 180°

  • x - 10° + x - 20° + 120° = 180°
  • 2x + 90° = 180°
  • 2x = 90°
  • x = 45°
Answer Link
abisoyeabeebat
abisoyeabeebat abisoyeabeebat
  • 03-10-2020

Answer:

45°

Step-by-step explanation:

Sum of angles in a triangle = 180°

x - 10° + 120° + x - 20° =180°

x + x + 90° = 180°

2x = 180° - 90°

2x = 90°

2 2

x = 45°

Answer Link

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