1. Section V - Proofs StatementsReasons J GK I H 1. Given: GK bisects  JGI; m  3 = m  2 Prove: GK // HI 1. 2. 3. 4. 5. 1. Given 2. 3. Given 4. 5. Geometry/Trig 2Name: __________________________ Unit 3 Review Packet – Page 3Date: ___________________________ 2 1 Statements Reasons 2. Given: AJ // CK; m  1 = m  5Prove: BD // FE 123 4 5 AC D E F B JK 3

2. StatementsReasons 3. Given: a // b;  3   4 Prove:  10   1 1 34 5 6 7 8 9 10 2 b a c d Geometry/Trig 2Name: __________________________ Unit 3 Review Packet – Page 4Date: ___________________________ 13 5 4 6 7 28 a b 4. Given:  1 and  7 are supplementary. Prove: m  8 = m  4 StatementsReasons

3. Geometry/Trig 2Name: __________________________ Unit 3 Review Packet – Page 5Date: ___________________________ Statements Reasons ST P RQ 5. Given: ST // QR;  1   3Prove:  2   3 13 2 Statements Reasons 6. Given: BE bisects  DBA;  1   3Prove: CD // BE C D E A B 32 1

4. 7. Statements Reasons Given: AB // CD; BC // DE Prove:  2   6 A C E DB Geometry/Trig 2Name: __________________________ Unit 3 Review Packet – page 6Date: ___________________________ 2 13 4 57 6 8. Statements Reasons A DB 2 13 4 57 6 C E Given: AB // CD;  2   6 Prove: BC // DE

5. Geometry/Trig 2Name: __________________________ Unit 3 Review Packet – page 7Date: ___________________________ Section VI – Solve each Algebra Connection Problem. 1.2. 4.3. 75  30  5x x = _______ y = ________ w = _______ x = _______ y = _______ z = _______ x = _______ y = _______ 37  2y z + 57 w x 4x - 523y 65  125  y x + 12 6x8x + 1 x = _______ 6.5. 4x + 13 4x + 25 6x 4x + 254x + 13 x = _______ AB CD Is AB // DC? __________ Is AD // BC? __________ 80  5x4x + 17 83 

6. Geometry/Trig 2Name: __________________________ Unit 3 Review Packet – page 8Date: ___________________________ Number of Sides Name of polygon Sum of interior angles. Measure of each interior angle if it was a regular polygon Sum of the Exterior Angles Measure of each exterior angle if it was a regular polygon. Number of Diagonals that can be drawn. 3 4 5 6 7 8 9 10 n Section VIII - Classify each triangle by its sides and by its angles. 1. 3. 6.5. B F J O N M 42  75  C A E D 45  2. 4. H I G L K 35  55  59  60  100  20  30  P R Q Section VII – Complete the table.