Question

the supplementry angle of 135° is __________​

Answer 1

The sum of the measures of two supplementary angles is 180°. ∴ The measure of the supplement of an angle of 135° is 45°.

Answer 2

Answer:

45degree

Step-by-step explanation:

let the supplementary angle measure p degree      

the sum of measures of  two supplementary angles  is 180 degrees

135+p=180

therefore 135+p-135= 180 -135

p = 45

therefore, the measure of the supplement of an angle of 135degree is 45degree.                                                              

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