**Chorus:***90 degrees make up a right angle corner of a square or a rectangle forms a type of triangle that’s right gonna rhyme about this with all my might gonna rhyme about triangles if you don’t mind in total there are a few different kinds isosceles: 2 sides are the same scalene: 3 unequal of a frame one special shape is everywhere though look in a corner, right triangle bro 3 angles, one of which is 90 degrees understand this and you’ll hold all the keys sides are called two legs and hypotenuse hypotenuse gives the right angle juice from the right angle on the opposite side as the longest side it’s got a lot of pride*

*Chorus**other angles smaller than 90 degrees all add up to 180 don’t you see leg can be opposite or adjacent*

*solve trig problems, don’t be complacent*

*need to use sine, cosine and tangent properties of an angle, understand it if not don’t worry too much just use SOHCAHTOA to get you through the clutch sine is opposite over hypotenuse cosine is adjacent over hypotenuse tangent is opposite over adjacent right angle expert now you can represent*

**Chorus***with a calculator and limited info you can figure out sides and angles bro the way to measure ‘em when you see ‘em formula called the Pythagorean theorem let’s say hypotenuse is “c” and the legs are “a” and “b” in every right triangle everywhere a*

^{2}+ b

^{2}= c

^{2}Pythagoras was an old school G in Greece he lived around 500 BC wrote the first proof to the theorem beat India to it and the Babylonians

*Chorus**let’s say you gotta build a ramp 3 feet tall start it four feet from the wall will let you know how much wood you need shred that baby at just the right speed just plug in 3 and 4 into the Pythagorean theorem, nothing more take the square root of 25 length is five, now skate and stay alive if a plane takes off at 40 degrees how high is it if it travels 2000 feet use SOHCAHTOA to find opposite sine of 40 times 2000, that’s it*

*Chorus**suppose you need to find a side hypotenuse is 13, other is 5 find the missing leg by yourselves Pythagorean theorem says that it’s 12*

*Chorus*