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Mathematics 21 Online
OpenStudy (anonymous):

I will give medal, please help GEOMETRY If triangle ABC is congruent to triangle XYZ, then which statement is true? A: A congruent to Z B: CA congruent to XY C: B congruent to Y D: AB congruent to YZ

OpenStudy (anonymous):

@campbell_st @Directrix @Picasso890

Directrix (directrix):

triangle ABC triangle XYZ The correspondence of vertices is: A to X B to Y and C to Z That comes from the orders the letters are written in the line-up of the name of the triangle.

OpenStudy (anonymous):

So would it be B?

Directrix (directrix):

I don't think so. Let's see.

Directrix (directrix):

Congruent triangles have 3 pairs of corresponding congruent angles. They are listed above. Look at the options to see if any fit the single letter correspondences.

Directrix (directrix):

For example, is this true: A: A congruent to Z

OpenStudy (anonymous):

No because the only corresponding verticals that come close to matchoing that is A to X. and that doesnt quite fit that. SO the answer would be C?

Directrix (directrix):

Correct logic. Option A is wrong.

Directrix (directrix):

What about this? Is this true: C: B congruent to Y

OpenStudy (anonymous):

Yes.

Directrix (directrix):

Okay. Option C is correct. Now, we have to check the sides.

Directrix (directrix):

The corresponding sides are: AB and XY BC and YZ AC and XZ

Directrix (directrix):

Is option B correct: B: CA congruent to XY

Directrix (directrix):

Segment AC is the same segment as segment CA.

OpenStudy (anonymous):

No.

Directrix (directrix):

Correct. And the last option to check: D: AB congruent to YZ Does segment AB pair with segment YZ ?

OpenStudy (anonymous):

No.

Directrix (directrix):

Yes. So that leaves the final answer as C: B congruent to Y. Agree? @Lexaaa_ganja

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