Complementary.

And I always get confused between supplementary and complementary.

Well if y is 32 degrees, it is complementary.

It is complementary to this angle right over here

And we can say that x and y are complementary.

It adds up, it's complementary to this angle right over here

So we can also say that angle DBA and angles ABC are complementary.

If they add up to 90 it's complementary. x plus y is 90.

And 90 starts with an N, and complementary does not start with an N.

So if this angle is alpha, then this angle right here is complementary to it.

So those two are ideal and complementary areas from which flow is easy to go into.

There's also a word for two angles whose sum add to 90 degrees, and that is complementary.

51 00 02 34,13 gt 00 02 41,33 Or we could say that x and y are complementary.

And if this angle is alpha we know that this angle right here is 90 minus alpha, because it's complementary.

Just remember complementary means two angles add up to 90 degrees, supplementary means that two angles add up to 180 degrees.

Now, obviously the jury is out on many of these complementary therapies, and I personally doubt that the coffee enema will ever, you know, gain mainstream approval.

And millions of them around the world are turning to complementary and alternative forms of medicine, which tend to tap into sort of slower, gentler, more holistic forms of healing.

I know it's a little hard to remember sometimes, 90 degrees is complementary, there are two angles complementing each other, and then if you add up to 180 degrees, you have supplementary angles, and if you have two supplementary angles that are adjacent, so they share a common side, so let me draw that over here,

So I've introduced you to a bunch of words here and now I think we have all of the tools we need to start doing some interesting proofs, and just to review here we talked about adjacent angles, and I guess any angles that add up to 90 degrees are considered to be complementary, this is adding up to 90 degrees.