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Angel 25 less than its supplement
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2
Supplementary angle =180 degree
=180-25=155degree
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7
let the angle be x
then ,its supplement =180 degree -x
according to question
(180-x)-x =25 degree
180-x-x=25
180-25 =2x
=»155=2x
=› 155/2 =»77.5 degree =x
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