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Mathematics 22 Online
OpenStudy (anonymous):

Are the two triangles below similar?

OpenStudy (anonymous):

OpenStudy (anonymous):

No, because there are not two pairs of congruent corresponding angles. Yes, because there are two pairs of congruent corresponding angles. No, because the corresponding sides are not proportional. Yes, because the corresponding sides are proportional.

OpenStudy (jdoe0001):

what do you think is the missing angle in each?

OpenStudy (anonymous):

c i think

OpenStudy (mertsj):

I notice that the angles of both triangles are 45, 55, and 80. Does that help any?

OpenStudy (anonymous):

I know one of the angles are congruent

OpenStudy (mertsj):

What do you mean? Each triangle has a 45 degree angle Each triangle has a 55 degree angle Each triangle has an 80 degree angle.

OpenStudy (anonymous):

the missing angles are 45 and 80 . So all of the triangles have the same angle measurements

OpenStudy (mertsj):

So clearly, all three of the angles in one triangle are congruent to all three of the angles in the second triangle.

OpenStudy (anonymous):

Sooo what your saying is TUV=WXY?

OpenStudy (anonymous):

Im saying TUV= XWY

OpenStudy (mertsj):

What is the question you are trying to answer?

OpenStudy (anonymous):

Are the two triangles below similar?

OpenStudy (anonymous):

OpenStudy (anonymous):

No, because there are not two pairs of congruent corresponding angles. Yes, because there are two pairs of congruent corresponding angles. No, because the corresponding sides are not proportional. Yes, because the corresponding sides are proportional.

OpenStudy (mertsj):

And what are the ways you have of proving triangles similar?

OpenStudy (anonymous):

if they were proportional the whatever the ratio is from one to the other

OpenStudy (anonymous):

The angle measurements

OpenStudy (mertsj):

Could you be more specific? How many angles? State the theorem

OpenStudy (anonymous):

so IF ABC= DEF then ab is 3 times more than DE then BC should be 3 times more than EF

OpenStudy (anonymous):

Thats all the question says it doesn't say what theorems to use

OpenStudy (mertsj):

The problem assumes that you know something about proving triangles similar. Do you?

OpenStudy (anonymous):

Now im even more confused :-/

OpenStudy (mertsj):

Have you ever proved any triangles similar?

OpenStudy (mertsj):

http://www.mathwarehouse.com/geometry/similar/triangles/similar-triangle-theorems.php Take a look at that. Maybe that will refresh your memory.

OpenStudy (anonymous):

Ohh yes the sas asa sss and aaa

OpenStudy (mertsj):

Do you know what those mean?

OpenStudy (anonymous):

Yes side - angle- side, angle side angle , side side side , angle angle angle

OpenStudy (mertsj):

Do any of those work for the triangles you are trying to prove similar?

OpenStudy (anonymous):

side angle side

OpenStudy (anonymous):

or side angle angle

OpenStudy (anonymous):

i know the answer i not D

OpenStudy (anonymous):

@Destinymasha @AccessDenied @beccaboo333 Can you guys Please help ?

OpenStudy (mertsj):

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