Question
a triangle has 3 angles, angle 1, 3x+2, angle 2, 9x, angle 3, 8x+2. find the value of x
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Answered by
GPT 3.5
To find the value of x, we can set up an equation by using the fact that the sum of the angles in a triangle is always 180 degrees.
(angle 1) + (angle 2) + (angle 3) = 180
Substitute the given values into the equation:
3x + 2 + 9x + 8x + 2 = 180
Combine like terms:
20x + 4 = 180
Subtract 4 from both sides:
20x = 176
Divide both sides by 20:
x = 8.8
Therefore, the value of x is 8.8.
(angle 1) + (angle 2) + (angle 3) = 180
Substitute the given values into the equation:
3x + 2 + 9x + 8x + 2 = 180
Combine like terms:
20x + 4 = 180
Subtract 4 from both sides:
20x = 176
Divide both sides by 20:
x = 8.8
Therefore, the value of x is 8.8.
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