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Have a problem-Solve for x, and show how did you come for it

Have A ProblemSolve For X And Show How Did You Come For It class=

Sagot :

Step-by-step explanation:

Angles in a triangle add up to 180°

57°+ 4x + 4° + 7x + 9° = 180°

  • 57° + 4° + 9° + 4x + 7x = 180°
  • 70° + 11x = 180°
  • 11x = 180° - 70°
  • 11x = 110°
  • x = 10°