NAME _____________________________________________ DATE ____________________________ PERIOD _____________
Chapter 7 57 Glencoe Geometry
Chapter 7 Test, Form 3 SCORE ___________
1. Draw the image of this figure under a dilation with center C and a scale factor of 1
3.
2. Determine whether trapezoid ABCD ā¼ trapezoid PQRS. Justify your answer.
3. In ā³ABC, mā A = 51, AB = 14, and AC = 20. In ā³DEF, mā D = 51, DE = 16.8,
and DF = 24. Determine whether ā³ABC ā¼ ā³DEF. Justify your answer.
4. If PQ = 12, find the measure of the dilation image of šš
ļ¤
ļ¤
ļ¤
ļ¤
with a scale factor of 3
4.
5. Find the value of x.
6. If ā³ABC ā¼ ā³XYZ, find y.
7. Given ā³SUV ā¼ ā³TUS, find TU.
8. Find mā I.
9. ā³ABC ā¼ ā³DEF, AB = 8, BC = 13, AC = 15, and DF = 20.
Find the perimeter of ā³DEF.
10. ā³ABC ā¼ ā³JKL, AB = 12, BC = 18.4, KL = 6.9, and JL = 5.6.
Find the scale factor of ā³ABC to ā³JKL.
11. Find the value of y.
1.
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3. _______________________
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5. _______________________
6. _______________________
7. _______________________
8. _______________________
9. _______________________
10. _______________________
11. _______________________
No; corr. sides are
not proportional.
yes; SAS
Similarity
9
5.85
5
6š
š
82
48
š
š
5
