lifeofwolfy lifeofwolfy

17-04-2018
Mathematics

contestada

The angles of a triangle are 99°, 3x°, and x + 5°. What is the value of x?

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icedipping icedipping

17-04-2018

x = 19 degrees.
_____

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Аноним Аноним

17-04-2018

Sum of all angles in a triangle is 180°

99 + 3x + x + 5 = 180 | Sum of all the 3 angles = 180
4x + 104 = 180 | Combine like terms
4x = 76 | take away 104 from both sides
x = 19° | Divide by 4 on both sides

Answer: x = 19°

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