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Geometry 7 Online
OpenStudy (anonymous):

What is this angle?

OpenStudy (anonymous):

OpenStudy (yoloshroom):

so

OpenStudy (yoloshroom):

We know that a straight line is how many degrees?

OpenStudy (anonymous):

A straight line is 180 degrees

OpenStudy (yoloshroom):

alright so, we know that angle c is 56 degrees right?

OpenStudy (calculusxy):

This a supplementary angle (meaning that the total degree of this angle is going to be 180). Remember that a straight is actually 180 degrees. the angle of triangle DCB is 56 degrees and the other angle is unknown. so what we need to do is \[180 - 56 = x \] x = measure of angle 1

OpenStudy (anonymous):

Would I subtract 180 from 56?

OpenStudy (yoloshroom):

Yes

OpenStudy (calculusxy):

Yup!

OpenStudy (anonymous):

ah ok

OpenStudy (anonymous):

So 124?

OpenStudy (calculusxy):

Correct!

OpenStudy (yoloshroom):

Dang u Calculus XD I was trying to get em to answer it themselves <3 people learn best that way @calculusxy and yes amanda :)

OpenStudy (calculusxy):

I know... sorry about that .. but you deserve a medal!

OpenStudy (anonymous):

I have another question that I chose an answer for, I just need it checked if you guys could help?

OpenStudy (calculusxy):

I'll try :)

OpenStudy (yoloshroom):

Go ahead :) and ill toss oneyour way aswell calc

OpenStudy (calculusxy):

thanks @YoloShroom

OpenStudy (anonymous):

I have to reflect this triangle across the y axis, and figure out the coordinate of O.

OpenStudy (anonymous):

I chose (4, -2) as my answer

OpenStudy (calculusxy):

I think that's correct... what do you think @YoloShroom

OpenStudy (yoloshroom):

Sorry lemme take a look :) was heling someone else out

OpenStudy (yoloshroom):

i would say the same.

OpenStudy (anonymous):

Great :D Thank you both of you for your help :)

OpenStudy (calculusxy):

You're very much welcome :) @AmandaSmith69

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