MathematicsIf sum of three angles x°,(x+70)°,(x−70)° is 180°, then the value of x is

If sum of three angles x°,(x+70)°,(x70)° is 180°, then the value of x is

  1. A

    60°

  2. B

    130°

  3. C

    54°

  4. D

    53.5°

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    Solution:

    Given angles are x°,(x+70)°,(x70)°

    i.e. x°+(x+70)°+(x70)°=180°

    3x=180°x=60°

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