The sum of the two vertical angles is 128 degrees, find all the angles.
| December 11, 2020 | education
1) The vertical angles are always equal, so we find one vertical angle:
128 ° ÷ 2 = 64 °
2) Find the other 2 corners:
180 ° (unfolded angle) -64 ° = 116 ° (first angle)
Since these two angles are also vertical, the second angle is also 116 °
Answer: 116 °, 116 °, 64 °, 64 °.
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