Epina9489
Epina9489 Epina9489
  • 13-02-2021
  • Mathematics
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Please help me I don’t know the steps to solving/finding the measure of A (Geometry)

Please help me I dont know the steps to solvingfinding the measure of A Geometry class=

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avaaskren9 avaaskren9
  • 13-02-2021
in any triangle, the sum of the angles always equals 180°. therefore, to find angle a you would first add each angle together and set it equal to 180. for ex for number 29 you would write out 2x+80 + x+60 +40 = 180. solve that equation out for x. plug the x value in for x in your equation for angle a so for 29 you plug your x value into the equation x+60. that’s your answer hope that helped!
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