mark230 mark230
  • 09-11-2017
  • Mathematics
contestada

In this figure, ∠a and ∠b are A. complementary. B. vertical. C. equal. D. supplementary.

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ltrevill
ltrevill ltrevill
  • 09-11-2017
Sorry I don't see a picture. But...

If they add up to 90 degrees, they are complimentary

If they add up to 180 degrees ( a straight line) they are supplementary.

If they are vertical, they will be on either side, like two v's ><
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add: p²-q²-1,p²-1-q²,1-p²-q² ​
good job