Find the value of each of the angles formed at the intersection of two straight lines, if: The sum of three of them is 236 degrees.

1. The first angle formed at the intersection of two straight lines will be equal to 360 23 – 236˚ = 124˚.

2. Since at the intersection of two straight lines two pairs of vertical angles are formed, then the second angle will also be equal to 124˚.

3. Find the second pair of vertical angles 180˚ – 124˚ = 56˚, that is, each angle of the second pair is equal to 56˚.

Answer: the undeveloped angles formed at the intersection of two straight lines are 56˚, 124˚, 56˚, 124˚.



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