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10-01-2021
Mathematics

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In a triangle, the measures of the three angles are x, x + 12 , and x-9. What is the measure of each angle?

Respuesta :

10-01-2021

x + x + 12 + x - 9 = 180
3x = 180 - 12 + 9
3x = 168 + 9
3x = 177
x = 59 degrees

Angle 1 = 59 degrees
Angle 2 = 59 + 12 = 71 degrees
Angle 3 = 59 - 9 = 50 degrees

Answer Link

10-01-2021

Answer:

x+(x+12)+(x-9)=180

3x+12-9=180

3x=180-3

3x=177

x=177/3

x=59

Each angle is 59°, 71° and 500°

Answer Link

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