### Just Give Me A Theorem

*Lyrics by Kelsey Watts*

*Sung to the tune of “Just Give Me A Reason” by Pink, Jeff Bhasker, and Nate Ruess*

Right from the start, geometry was really hard

I didn’t know the theorems

We learned about triangles and circles and other shapes

but some things, I really feared them

and they were concurrent lines (oh oh)

mush have at least three this time (oh no)

tell me that you have enough lines that intersect

**CHORUS**

Just give me a theorem, only one isn’t enough

If you wanna ace all the geometry tests

you need to learn each one of them

You just need to look, they’re written in all the textbooks, it’s all good.

To pass all of the tests, you need to learn all the theorems!

The orthocenter is where all three altitudes are concurrent

The incenter has the angle bisectors (yeah, where they intersect)

My head is running wild with theorems

So the centroid is where all three medians intersect (it’s two thirds from the vertex)

The last one is the circumcenter oh

This one is where the perpendicular

bisectors of the sides intersect, they intersect

oh they intersect oh

*Chorus*

I don’t understand, how do you find them

Find the equations of two lines but you’re not done

Use a system of equations

There’s a shortcut for the centroid:

Find the average of the abscissas and ordinates

Coordinate geometry!

*Chorus x2*