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Mathematics 19 Online
OpenStudy (anonymous):

Help, will pick best response. picture attached.

OpenStudy (anonymous):

OpenStudy (mathstudent55):

Do you know how to prove two triangles similar?

OpenStudy (anonymous):

Yes.

OpenStudy (anonymous):

They have to have equal angles and corresponding sides

OpenStudy (mathstudent55):

One way is by showing two angles of one triangle are congruent to two angles of the other triangle. That is AA.

OpenStudy (mertsj):

Equal angles is enough to prove them similar. Do those two triangles have equal angles?

OpenStudy (mathstudent55):

For AA all you need is two angles of one triangle and two angles of the other triangle.

OpenStudy (mathstudent55):

Look at triangle CAT. Can you figure out the measure of angle A?

OpenStudy (anonymous):

so there is not enough information.

OpenStudy (mathstudent55):

Not so fast.

OpenStudy (anonymous):

yes. 106 is the other measure.

OpenStudy (anonymous):

Anlge A is \[180-(87+13)=80 {}^{\circ} \]

OpenStudy (mathstudent55):

Look at triangle CAT. Can you figure out the measure of angle A?

OpenStudy (mertsj):

ISABELL!!! We just discussed this. Find all the angles of both triangles. Are they the same?

OpenStudy (anonymous):

Oh yeaahhh! I remember now. I got it. thanks guys!

OpenStudy (mertsj):

yw

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