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

Answer :

Аноним Аноним

12-05-2015

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

Answer Link

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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