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18-03-2018
Mathematics

contestada

Solve the measure of an angle is 161°. what is the measure of a supplementary angle?

Respuesta :

CastleRook CastleRook

27-03-2018

Supplementary angles sum up to 180°, suppose the supplement of 161° is x. Then
161+x=180
solving for x we subtract 161 from both sides
161-161+x=180-161
x=19
thus the supplement is 19°

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