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Mathematics 22 Online
OpenStudy (anonymous):

The coordinates of the vertices of triangle ABC are A(-1, 6), B(-1, 3), C(-2, 3) and triangle PQR are P(1, -1), Q(1, -4), R(2, -4). Which statement is correct? Answer Triangle ABC is congruent to triangle PQR because AB = PQ, BC = QR, and AC = PR. Triangle ABC is congruent to triangle PQR because AB = RQ, BC = PR, and AC = PQ. The two triangles are similar because the ratio of their corresponding sides is four. The two triangles are similar because the ratio of their corresponding sides is three.

hero (hero):

Have you attempted this at all? Did you at least plot the points?

OpenStudy (anonymous):

they r congrunit

hero (hero):

How do you know? Do you have any proof?

OpenStudy (anonymous):

i graphed it its the first one i did it

hero (hero):

What did you do to prove to yourself that they were congruent? Graphing the points is only the first step.

OpenStudy (anonymous):

i marked the pionts and compaed them

hero (hero):

Yes, but there are specific things you must do to ensure that the triangles are congruent. Do you know what those specific things are?

OpenStudy (anonymous):

no what

hero (hero):

Yes, that's what I was getting at. The corresponding segments for Triangle ABC has to be congruent to the corresponding segments of PQR in order for them to be congruent. The only way to find out if the corresponding segments are congruent is to properly find the length of each segment of each triangle.

OpenStudy (anonymous):

i can see the lenths r the same the are tiny one q r is 1 pq is three and the other one i dont care cuz the first to are the same

hero (hero):

You can't just eyeball it. It doesn't work like that

OpenStudy (anonymous):

BUT BUT i did the two :(

hero (hero):

What other two?

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