Question

prove that the bisector of the angle of a linear pair are at right angle??????
please solve this fast ​

Answer 1

Answer:

we know :

bisector divides an angle into 2 equal parts .......1

any linear pair adds up to 180°

now

atp,

let one of the angle be x then other angle is also x.(following.....1)

now sum of 2 angles is 180°(linear pair )

x+x=180°

2x=180°

x=90°

{proved}

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