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Yanttaaa Yanttaaa
  • 12-05-2015
  • Mathematics
Answered

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


A)

20

B)

30

C)

40

D)

50

Verified Answer :

Anonymous Anonymous
  • 12-05-2015

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

Answer Link
Panoyin
Panoyin Panoyin
  • 12-05-2015

(2x)° + (3x)² + (4x)° = 180°
      (2x + 3x + 4x)° = 180°
                      (9x)° = 180°
                         9         9
                           x = 20°

The answer is A.

Answer Link

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