sweetphir
sweetphir sweetphir
  • 13-03-2024
  • Mathematics
contestada

Solve for X (PLEASE HELP)

Solve for X PLEASE HELP class=

Respuesta :

jimrgrant1 jimrgrant1
  • 13-03-2024

Answer:

(1) ? = 105° , (2) ? = 40°

Step-by-step explanation:

• The sum of the 3 angles in a triangle is 180°

(1)

? + 30° + 75° = 180°

? + 105° = 180° ( subtract 105° from both sides )

? = 75°

(2)

? + 100° + 40° = 180°

? + 140° = 180° ( subtract 140° from both sides )

? = 40°

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