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step1 : pick a transformatiom
you have been asked by the police to find one of the three locations the acute perps gang is likely to hit in the coming weeks. because the gang sticks to a triangular pattern, the locations could be a translation, reflection, or rotation of the original triangle. choose one of the following scenarios to locate the gang:

a-obtuse scalene triangle translation to prove sss congruence
b-isosceles right triangle reflection to prove asa congruence
c-equilateral equiangular triangle rotation to prove sas congruence

step 2: detailed directions

first, construct a triangle as indicated by your choice in step 1 on a coordinate plane. for example, if you chose to use an obtuse scalene triangle translation to prove sss congruence, then you will construct an obtuse scalene triangle. make sure to measure your triangle's angles and sides. you can use the concept of distance and slope to ensure your triangle satisfies the criteria indicated by your choice. write down the original coordinates of this triangle.

next, identify and label three points on the coordinate plane that are the transformation of your original triangle. make sure you use the transformation indicated within the scenario you selected. for example, if you chose to use an obtuse scalene triangle translation to prove sss congruence, then you complete a translation of your triangle. remember, you only need to complete one transformation on your triangle. write down these new coordinates for this second triangle.

-if you chose obtuse scalene triangle translation to prove sss congruence, use the coordinates of your transformation along with the distance formula to show that the two triangles are congruent by the sss postulate. you must show all work with the distance formula and each corresponding pair of sides to receive full credit.

-if you chose isosceles right triangle reflection to prove asa congruence, use the coordinates of your reflection to show that the two triangles are congruent by the asa postulate. you can use the distance formula to show congruency for the sides. to show an angle is congruent to a corresponding angle, you can use slope or your compass and straightedge. (hint: remember when you learned how to copy an angle? ) you must show all work with the distance formula for the corresponding pair of sides, and your work for the corresponding angles to receive full credit.

-if you chose equilateral equiangular triangle rotation to prove sas congruence, use the coordinates of your rotation to show that the two triangles are congruent by the sas postulate. you can use the distance formula to show congruency for the sides. to show an angle is congruent to a corresponding angle, you can use slope or your compass and straightedge. (hint: remember when you learned how to copy an angle? ) you must show all work with the distance formula for the corresponding pair of sides, and your work for the corresponding angles, to receive full credit.

step: 3 questions

1-obtuse scalene triangle translation to prove sss congruence

a-describe the translation you performed on the original triangle. use details and coordinates to explain how the figure was transformed, including the translation rule you applied to your triangle.

b-what other properties exist in your triangle? discuss at least two theorems you learned about in this module that apply to your triangle. make sure to show evidence by discussing your triangle's measurements.

c-did your triangle undergo rigid motion? explain why.

2-isosceles right triangle reflection to prove asa congruence

answer the following questions:
a-what line of reflection did you choose for your transformation?

b-how are you sure that each point was reflected across this line?

c-what reflection rule did you apply to your triangle?

-what other properties exist in your triangle? discuss at least two theorems you learned about in this module that apply to your triangle. make sure to show evidence by discussing your triangle's measurements.

-did your triangle undergo rigid motion? explain why.

3-equilateral equiangular triangle rotation to prove sas congruence
answer the following questions:

a-how many degrees did you rotate your triangle?

b-in which direction (clockwise, counterclockwise) did it move?

c-what rotation rule did you apply to your triangle?

-what other properties exist in your triangle? discuss at least two theorems you learned about in this module that apply to your triangle. make sure to show evidence by discussing your triangle's measurements.

-did your triangle undergo rigid motion? explain why.