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If a triangle has angles measuring 40°, 60°, and x°, find the value of x.
  • a)
    70°
  • b)
    80°
  • c)
    90°
  • d)
    100°
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
If a triangle has angles measuring 40°, 60°, and x°, find ...
The sum of all angles in a triangle is always 180°.
40° + 60° + x = 180°
x = 180° - (40° + 60°)
x = 180° - 100° = 80°
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