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Angle Awesomeness. Got problems with angles, man? You’ve just got to get yourself a plan. X + 20. x - 14. 40 °. x + 20. 2x + 10. x + 20 + 40 = 180. x + 20 + x – 14 + 2x + 10 = 180. If you know all the angles on one side of a line, line, line

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Got problems with angles, man?

You’ve just got to get yourself a plan.


X + 20

x - 14

40°

x + 20

2x + 10

x + 20 + 40 = 180

x + 20 + x – 14 + 2x + 10 = 180

If you know all the angles on one side of a line, line, line

Then everything’s gonna be fine, fine, fine.

Ain’t no need to be ‘fraidy, ‘fraidy, ‘fraidy:

They’re all gonna add up to one-eighty, eighty, eighty!


y + 47

x + 10

50°

2y - 20

x + 10 = 50

y + 47 = 2y – 20

If you got two vertical angles, angles, angles

Opposite one another in a little tangle, tangle, tangle,

The angles are gonna be congruent, -gruent, -gruent,

And congruent means set equal to.


4x + 10 = 90

4x + 10

2y - 20

2y – 20 + y – 10 = 90

y – 10

If two lines are perpendicular, -dicular, -dicular,

That means they are all right angular, angular, angular

And I really don’t mindy, mindy, mindy,

Cause I know we’re talking ‘bout ninety, ninety, ninety

*sometimes you have to add two acute angles together)


DF bisects EDK.

E

F

2y - 20

2y – 20 = y – 10

y – 10

D

Here’s one that’s gonna try and catch ya, catch ya, catch ya

It’s called the angle bisect-ah, -sect-ah, -sect-ah.

It makes the two smaller angles congruent, -gruent, -gruent

And congruent means set equal to.)


Two more words for today, day, day

Complementary and supplementa”ray”, ray, ray

Comp means ninety and you better add ‘emup, up, up

One hundred and eighty?

that’s what’s supp’, supp’, supp

-lementary


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