raynay03 raynay03
  • 25-11-2017
  • Mathematics
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How to find x and y using the triangle sum theorem

How to find x and y using the triangle sum theorem class=

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jamiexx
jamiexx jamiexx
  • 25-11-2017
The sum of angles in triangle always add up to 180°.
Using this theory, we can first calculate x by listing out a algebraic formula.

92° + 85° + x = 180° (angle sum of triangle)
x = 3°

Now by using x = 3°, we can list another formula to calculate y.

100° + 3° + y = 180° (angle sum of triangle)
y = 77°

Therefore x is 3° and y is 77°.
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