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Mathematics 7 Online
Bearclaws72:

Eck Help plz boss

Bearclaws72:

Kari drew two parallel lines PQ and RS intersected by a transversal KL, as shown below:

1 attachment
Bearclaws72:

Which theorem could Kari use to show the measure of angle QML is supplementary to the measure of angle SNK? Alternate Exterior Angles Theorem Alternate Interior Angles Theorem Same-Side Interior Angles Theorem Vertical Angles Theorem

Bearclaws72:

@Shadow Do you know how to solve this?

563blackghost:

Supplementary angles are angle that equal to 180 degrees. When two angles that lie on the same side in a transversal they will be supplementary. This is known as \(\bf{Same~Side~Interior~Angles~Theorem}\).

Bearclaws72:

Jesus I leave for two minutes

Shadow:

We know that it isn't the first two, since angle QML and angle SNK are not alternates of each other. They are, however, on the same side. If we look at Same-Side Interior Angles Theorem it says this basically

Shadow:

180 degrees = Supplementary

Bearclaws72:

Ok

Bearclaws72:

So is it Verical?

Goldenmattman2003:

Hello! The fact that alternate interior angles MNR and QMN are congruent to each other and vertical angles SNL and MNR are congruent to each other would help Kari prove that the measure of angle QMN is equal to the measure of angle SNL

Bearclaws72:

I freaking hate math

Goldenmattman2003:

XD

Bearclaws72:

So its same side interior angles theorem?

Bearclaws72:

Thats what Im getting from this

Shadow:

Look at the file I attached, the rule it depicts, and at your angles, and what the question is asking.

Bearclaws72:

Oh I didnt even see it lemme look

Bearclaws72:

add up to 180?

Shadow:

Yes, it proves that they are supplementary.

Bearclaws72:

Hm

Bearclaws72:

D?

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