Question

prove that the bisectors of two adjacent supplementary angles include a right angle ​

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

Step-by-step explanation:

Let the adjacent angles be x&y.

Given x+y=180°

When bisector are drawn, the angle between the bisector is:

x/2+y/2=x+y/2=180/2=90°