geometry B unit 6 all lessons Exam 2026
Questions and Answers
Given: ▱ EFGH
Prove: EF¯≅GH¯; EH¯≅GF¯ - Correct answer-2. Parallelogram
3. 3,2
4. ASA
5. AAS
Theorem 6.1C states that if a quadrilateral is a parallelogram, then its consecutive
_____ are supplementary. - Correct answer-angles
Theorem 6.1A states that if a quadrilateral is a parallelogram, then its opposite
sides are _____. - Correct answer-congruent
4) A(n) _____ is a polygon with four sides. - Correct answer-parallelogram
5) A(n) _____ is a convex quadrilateral in which both pairs of opposite sides are
parallel. - Correct answer-diagonal
©COPYRIGHT 2025, ALL RIGHTS RESERVED 1
,6) Theorem 6.1D states that if a quadrilateral is a parallelogram, then its _____
bisect each other. - Correct answer-diagonals
7) Theorem 6.1B states that if a quadrilateral is a parallelogram, then its _____
angles are congruent. - Correct answer-opposite
8) Given: ▱ MNOP
Prove: MO¯ and NP¯ bisect each other at Q - Correct answer-2. i
3. b
4. a
5. h
7. g
Refer to ▱ DEFG - Correct answer-c.
a.
Refer to ▱ DEFG - Correct answer-12in
Refer to ▱ DEFG - Correct answer-DE¯≅ f so DE= b
b. GF
f. GF¯
©COPYRIGHT 2025, ALL RIGHTS RESERVED 2
, Refer to ▱ DEFG - Correct answer-28in
Refer to ▱ DEFG - Correct answer-113
Refer to ▱ DEFG - Correct answer-m∠DGF=113∘ m∠DEF+m∠EFG= 180
Refer to ▱ DEFG - Correct answer-DP=FP
16) Refer to ▱DEFG - Correct answer-EP= GP
lesson 2 - Correct answer-
1) Given: Quadrilateral - Correct answer-2. Alternate Interior Angles Theorem
3. Reflexive Property of Congruence
4. Same Side Interior Angles Theorem
5. CPCTC
6. Alternate Interior Angles Theorem
2) Given: Quadrilateral - Correct answer-2. congrunt angles
3. triangle sum theorem
4. substitution
6. division
7 supplementary
©COPYRIGHT 2025, ALL RIGHTS RESERVED 3
Questions and Answers
Given: ▱ EFGH
Prove: EF¯≅GH¯; EH¯≅GF¯ - Correct answer-2. Parallelogram
3. 3,2
4. ASA
5. AAS
Theorem 6.1C states that if a quadrilateral is a parallelogram, then its consecutive
_____ are supplementary. - Correct answer-angles
Theorem 6.1A states that if a quadrilateral is a parallelogram, then its opposite
sides are _____. - Correct answer-congruent
4) A(n) _____ is a polygon with four sides. - Correct answer-parallelogram
5) A(n) _____ is a convex quadrilateral in which both pairs of opposite sides are
parallel. - Correct answer-diagonal
©COPYRIGHT 2025, ALL RIGHTS RESERVED 1
,6) Theorem 6.1D states that if a quadrilateral is a parallelogram, then its _____
bisect each other. - Correct answer-diagonals
7) Theorem 6.1B states that if a quadrilateral is a parallelogram, then its _____
angles are congruent. - Correct answer-opposite
8) Given: ▱ MNOP
Prove: MO¯ and NP¯ bisect each other at Q - Correct answer-2. i
3. b
4. a
5. h
7. g
Refer to ▱ DEFG - Correct answer-c.
a.
Refer to ▱ DEFG - Correct answer-12in
Refer to ▱ DEFG - Correct answer-DE¯≅ f so DE= b
b. GF
f. GF¯
©COPYRIGHT 2025, ALL RIGHTS RESERVED 2
, Refer to ▱ DEFG - Correct answer-28in
Refer to ▱ DEFG - Correct answer-113
Refer to ▱ DEFG - Correct answer-m∠DGF=113∘ m∠DEF+m∠EFG= 180
Refer to ▱ DEFG - Correct answer-DP=FP
16) Refer to ▱DEFG - Correct answer-EP= GP
lesson 2 - Correct answer-
1) Given: Quadrilateral - Correct answer-2. Alternate Interior Angles Theorem
3. Reflexive Property of Congruence
4. Same Side Interior Angles Theorem
5. CPCTC
6. Alternate Interior Angles Theorem
2) Given: Quadrilateral - Correct answer-2. congrunt angles
3. triangle sum theorem
4. substitution
6. division
7 supplementary
©COPYRIGHT 2025, ALL RIGHTS RESERVED 3