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dedylja [7]
2 years ago
11

Help please!! Multiple choice geometry coordinates question Question 12

Mathematics
1 answer:
Ghella [55]2 years ago
3 0

In the attached picture you find the two triangles. To check if the lengths of the sides are the same, we use the formula for the distance between two points:

d(A,B) = \sqrt{(A_x-B_x)^2+(A_y-B_y)^2}

If we plug the values for the points of PQR, we have

\overline{PQ} \approx 5.39

\overline{QR} \approx 3.61

\overline{PR} \approx 7.07

Similarly, for STU we have

\overline{ST} \approx 5.1

\overline{TU} \approx 2.24

\overline{SU} \approx 6.71

As you can see, the lengths of the sides do not match, as a triplet, so the two triangles are not congruent.

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