1 Answer

Damon Horrell · Answer 1 · 2019-03-25T16:25:38+0000

Supplementary angles add up to 180 degrees. Suppose the supplement of 70 degrees is x.
therefore the sum of our angles will be:
x+70=180
solving for x we get:
x=180-70
x=80°
hence the value of the supplement of 70° is 80°

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