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10 May, 12:30

The angles of a triangle are 2x, 3x, and 4x degrees. Find the value of x.

A)

20

B)

30

C)

40

D)

50

+1
Answers (2)
  1. 10 May, 14:35
    0
    The sum of the angles equals 180

    So 2x+3x+4x=180

    9x=180

    x=20
  2. 10 May, 15:51
    0
    (2x) ° + (3x) ² + (4x) ° = 180°

    (2x + 3x + 4x) ° = 180°

    (9x) ° = 180°

    9 9

    x = 20°

    The answer is A.
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