Review for Congruence Test HW Answers
Here are the answers to the review homework. Don’t forget we have a test tomorrow!
1. x=17
2. x=16
3. x=18
4. 2
5. 1
6. <STR=63
7. 3
8. 4
9. x=62 y=56, x=73 y =73
10. AAS, ASA, SSS, SAS, HL
11. ASS, SSA, AAA
12. 4
13. 3
14. 4
15. 2
16. Corresponding Parts of Congruent Triangles are Congruent
17. 1
18. SAS, SSS, HL
19. 1
20. W=J, R=P, S=M, WR=JP, RS=PM, WS=JM
21. Givens; ML=ML Reflexive Property; DLM=RLM AAS
22. Given; AC=EC Definition of midpoint; BC=DC Definition of Midpoint; <ACB=<ECD Vertical angles are congruent; ACB=ECD SAS; <A = <E CPCTC
23. Given; <MDC=<PCD Alternate Interior angles are congruent; CD=DC Reflexive Property; PCD=MDC AAS; DP=CM CPCTC
Test 2 Review Answers
1. If a shape is a pentagon, then it has five sides.
2. If a shape does not have five sides, then it is not a pentagon.
3. If a shape is not a pentagon, then it does not have five sides.
4. If a shape is not a pentagon, then it does not have five sides.
5. 4) 24
6. 1)
7. Perpendicular lines do not intersect at right angles.
8. Lines are perpendicular if and only if they interest at right angles.
9. True because in a disjunction only one part has to be true to make the whole statement true and sixteen is an even integer.
10. 4)
11. If a numbers digits add to 9, then it is divisible by 9.
12. If a number is not divisible by 9, then its digits do not add to 9.
13. 1)
14. If the angles of a triangle are not congruent, then the two sides across from those angles are not congruent.
15. 4)
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Review for Test 1 HW Answers
1. 4
2. 2
3. (2, -1)
4. (6, 7)
5. 11.7 or 2 sqrt 34
6. 12.8 or 2 sqrt 41
7. plane EFG
8. EB, FC, AB, DC
9. x = 7, angles are 42 and 138
10. x = 12, angles are 68 and 112
