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H om ew ork Mrs. Rivas . Complete each congruence statement 1. 3. 5. 7. 2. 4. 6. 8. Lesson 4-1 โˆ  โˆ  โˆ† โˆ† โˆ 

Mrs. Rivas Lesson 4-1. Mrs. Rivas Lesson 4-1 State whether the figures are congruent. Justify your answers. Yes; corresponding sides and corresponding

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HomeworkMrs. Rivas

. Complete each congruence statement

1.

3.

5.

7.

2.

4.

6.

8.

Lesson 4-1

โˆ ๐‘ฎ ๐‘บ๐‘จ

โˆ ๐‘ป ๐‘น๐‘ฌ

โˆ†๐‘ป๐‘จ๐‘บ ๐‘ป๐‘บ

โˆ† ๐‘จ๐‘ป๐‘บ โˆ ๐‘จ

HomeworkMrs. Rivas

Lesson 4-1

State whether the figures are congruent. Justify your answers.

9.

Yes; corresponding sides and corresponding angles are โ‰….

HomeworkMrs. Rivas

Lesson 4-1

State whether the figures are congruent. Justify your answers.

10.

No; the only corresponding part that is โ‰… is

HomeworkMrs. Rivas

Lesson 4-1

State whether the figures are congruent. Justify your answers.

11.

Yes; corresponding sides and corresponding angles are โ‰….

HomeworkMrs. Rivas

Lesson 4-1

State whether the figures are congruent. Justify your answers.

12.

Yes; corresponding sides and corresponding angles are โ‰….

HomeworkMrs. Rivas

Lessons 4-2 and 4-3

Can you prove the two triangles congruent? If so, write the congruence statement and name the postulate you would use. If not, write not possible and tell what other information you would need.13.

โˆ ๐‘ป โ‰…โˆ ๐‘บ๐‘ป๐’€ โ‰… ๐‘บ๐‘พโˆ ๐’€ โ‰…โˆ ๐‘พ

๐‘จ๐‘บ๐‘จ

HomeworkMrs. Rivas

Lessons 4-2 and 4-3

Can you prove the two triangles congruent? If so, write the congruence statement and name the postulate you would use. If not, write not possible and tell what other information you would need.14..

๐‘ฌ๐‘จโ‰…๐‘ท๐‘ณ๐‘จ๐‘ณโ‰… ๐‘ณ๐‘จ

โˆ ๐‘ฌ๐‘จ๐‘ณโ‰…โˆ ๐‘ท๐‘ณ๐‘จ

๐‘บ๐‘จ๐‘บ

HomeworkMrs. Rivas

Lessons 4-2 and 4-3

Can you prove the two triangles congruent? If so, write the congruence statement and name the postulate you would use. If not, write not possible and tell what other information you would need.15.

๐‘ต๐’๐’‘๐’๐’”๐’”๐’Š๐’ƒ๐’๐’†

HomeworkMrs. Rivas

Lessons 4-2 and 4-3

Can you prove the two triangles congruent? If so, write the congruence statement and name the postulate you would use. If not, write not possible and tell what other information you would need.16.

๐‘ช๐‘ต โ‰… ๐‘จ๐‘ถ๐‘ต๐‘จโ‰…๐‘ถ๐‘ช๐‘จ๐‘ช โ‰…๐‘ช๐‘จ

๐‘บ๐‘บ๐‘บ

HomeworkMrs. Rivas

17. Given:, bisects .

Prove:

Lessons 4-2 and 4-3

bisects means that

Given

SSS

Reflective property of โ‰…

Reflective property of โ‰…

Def. of .โ‰…

by SAS.

HomeworkMrs. Rivas

18. Given: , , ,

Prove:

P is the midpoint of .

Lessons 4-2 and 4-3

It is given that and .

By the Addition. Post., .

Since is the midpoint of , .

It is given that , so by SAS.

HomeworkMrs. Rivas

Lesson 4-4

21. Given:

Prove:

, so .

by the Reflexive Prop. of .

Since , by SAS,

Then by CPCTC.

HomeworkMrs. Rivas

Lesson 4-4

22. Given: Prove:

Reflexive Prop. of .

by CPCTC

Sinceand

by AAS

HomeworkMrs. Rivas

Lesson 4-4

23. Given: ,

is the midpoint of

Prove:

,Given

Reflexive Property

AAS

CPCTC

is the midpoint

Reflexive Property

SSS

CPCTC

HomeworkMrs. Rivas

Lesson 4-4

24. Given: ,

Prove:

, Supplement of angles are .

Vertical โฆž are .

Given

ASA

CPCTC

HomeworkMrs. Rivas

Lesson 4-5

Find the value of each variable25.

๐Ÿ”๐ŸŽ ๐Ÿ”๐ŸŽ

๐Ÿ”๐ŸŽ๐Ÿ ๐’™+๐Ÿ๐ŸŽ=๐Ÿ”๐ŸŽ

๐Ÿ ๐’™=๐Ÿ“๐ŸŽ๐’™=๐Ÿ๐Ÿ“

HomeworkMrs. Rivas

Lesson 4-5

Find the value of each variable26.

๐Ÿ๐Ÿ“๐Ÿ๐Ÿ“+๐Ÿ—๐ŸŽ+๐’™=๐Ÿ๐Ÿ–๐ŸŽ๐Ÿ๐Ÿ๐Ÿ“+๐’™=๐Ÿ๐Ÿ–๐ŸŽ

๐’™=๐Ÿ”๐Ÿ“

HomeworkMrs. Rivas

Lesson 4-5

Find the value of each variable27.

๐’+๐Ÿ๐Ÿ‘๐Ÿ“=๐Ÿ๐Ÿ–๐ŸŽ๐’›=๐Ÿ’๐Ÿ“

๐’™=๐Ÿ’๐Ÿ“

base angles are congruent ๐‘น๐’†๐’Ž๐’๐’•๐’†๐’‚๐’๐’ˆ๐’๐’†๐’”๐’™+๐’š=๐Ÿ๐Ÿ‘๐Ÿ“๐Ÿ’๐Ÿ“+๐’š=๐Ÿ๐Ÿ‘๐Ÿ“๐’š=๐Ÿ—๐ŸŽ

HomeworkMrs. Rivas

Lesson 4-5

28. Given:

Prove: is isosceles.

Given

Isosceles โˆ† Theorem

โ‰… Supplement Theorem

Given

ASA

CPCTC

and is isosceles by Isosceles โˆ† Theorem

HomeworkMrs. Rivas

Lesson 4-5

29. Given:

Prove: is isosceles

and Given

Vertical are .โฆž โ‰… SAS

CPCTC

Isosceles โˆ† Theorem

Add. Prop. of โ‰…

so by the Add. Post. and substitution.

by the Conv. of the Isosceles โˆ† Theorem.

is isosceles by Definition of Isosceles โˆ†.

HomeworkMrs. Rivas

Lessons 4-6 and 4-7

Name a pair of overlapping congruent triangles in each diagram. State whether the triangles are congruent by SSS, SAS, ASA, AAS, or HL.30.

โˆ† ๐‘จ๐‘น๐‘ถ โ‰…โˆ† ๐‘น๐‘จ๐‘ญ ;๐‘ฏ๐‘ณ

HomeworkMrs. Rivas

Lessons 4-6 and 4-7

Name a pair of overlapping congruent triangles in each diagram. State whether the triangles are congruent by SSS, SAS, ASA, AAS, or HL.31.

โˆ† ๐‘น๐‘ธ๐‘ดโ‰… โˆ†๐‘ธ๐‘น๐‘บ ;๐‘บ๐‘บ๐‘บ

HomeworkMrs. Rivas

Lessons 4-6 and 4-7

Name a pair of overlapping congruent triangles in each diagram. State whether the triangles are congruent by SSS, SAS, ASA, AAS, or HL.32.

โˆ† ๐‘จ๐‘ถ๐‘ต โ‰… โˆ†๐‘ด๐‘ถ๐‘ท ;๐‘จ๐‘จ๐‘บ

HomeworkMrs. Rivas

Lessons 4-6 and 4-7

Name a pair of overlapping congruent triangles in each diagram. State whether the triangles are congruent by SSS, SAS, ASA, AAS, or HL.33.

โˆ†๐‘ฎ๐‘น๐‘ป โ‰… โˆ†๐‘ฎ๐‘บ๐‘ถ ;๐‘จ๐‘บ๐‘จ

HomeworkMrs. Rivas

Lessons 4-6 and 4-7

34. Given: M is the midpoint of ,

Prove:

Given

by the Conv. of the Isosceles โˆ† Theorem.

by the Def. of Midpoint

means thatis a right angle and is a right โˆ†.

means thatis a right and โฆจ is a right โˆ† .

by HL.

HomeworkMrs. Rivas

35. The longest leg of ,, measures centimeters. measures centimeters. You measure two of the legs of and find that and . Can you conclude that two triangles to be congruent by the HL Theorem? Explain why or why not.

No; you only know that two sides (SS) are congruent, and you donโ€™t know that there are right angles.