Answered

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

A)
20
B)
30
C)
40
D)
50

Sagot :

The sum of the angles equals 180
So 2x+3x+4x=180
     9x=180
     x=20
Panoyinidn
(2x)° + (3x)² + (4x)° = 180°
      (2x + 3x + 4x)° = 180°
                      (9x)° = 180°
                         9         9
                           x = 20°

The answer is A.
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