Give proofs of the statement that the bisector of the unfolded angle divides it into two right angles.
| July 13, 2021 | education
The angular measure of the flattened angle is 180 ° by definition.
The bisector divides the angle into two, also by definition.
180: 2 = 90 °.
Half of the unfolded angle is a 90 ° right angle.
Thus, the bisector of the unfolded corner divides it into two right angles.
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