Question

opposite angle.
Two supplementary angles differ by 20°. What is the measure of smallest
angle?​

Answer 1

Let the angles be x and x + 180 degree .

Hence , x + (x + 180) = 20

x + x + 180 = 20

2x =

Answer 2

Answer:

80

Step-by-step explanation:

let the smaller one be x and bigger one be x + 20 so

ATP,

x + x+ 20 = 180 (supplementary angles)

2x + 20 =180

2x = 180-20 = 160

x = 160/2 = 80

the measure of the smaller one = x = 80

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