Question

find the measure of an angle whose supplement is equal to the angles itself.​

Answer 1

Answer:

90 degree.

As if angel =90 then,

supplementary angle =(180-90)

=90

90 =90

Step-by-step explanation:

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Answer 2

if the angle is x then suplement angle is 180-x  so x =180-x  so 2x =180 so x is 90