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1. If two lines are cut by a transversal so that alternate interior angles are (congruent, supplementary, complementary), then the lines are parallel. 2. If two lines are cut by a transversal so that same-side interior angles are (congruent, supplementary, complementary), then the lines are parallel. 3. If two lines are cut by a transversal so ...
Geometry: Proofs and Postulates Worksheet Practice Exercises (w/ Solutions) Topics include triangle characteristics, quadrilaterals, circles, midpoints, SAS, and more. Mathplane.com
If two lines are cut by a transversal such that corresponding angles are congruent, then the lines are parallel
Independent Practice: PROOFS OF PARALLEL LINES NAME: DATE: PERIOD: Geometry Unit 3 - Reasoning & Proofs w/Congruent Triangles Page 167 For # 1-3, given a ‖ b, state the postulate or theorem that justifies each conclusion. 1. 1 is supplementary to 8 because given _____ 2. 4 5 2 7 because
3.2 Parallel Lines & Proofs Practice. Proof #1. Proof of Alternate Exterior Angles congruent: Given: l || m. Prove: l. m. Statements. Name __________________________ Date ___________________________ 1 3. Reasons. _____________________ 1 2. ______________________________ If lines are parallel, then corresponding angles are congruent.
18) Even if the lines in question #16 were not. Any value other than 8. Ideally 0 ≤ x ≤ 10. parallel, could. No, that would make the angles 189° and 206°. Create your own worksheets like this one with Infinite Geometry.
Question 1: Are the lines AB and CD parallel? Explain your answer. Question 2: Find the missing angle. Give reasons for your answer. Question 3: Find x. Question 4: Find x. Question 5: Matilda is proving that the angles in a triangle add up to 180°. She has started with this diagram. Complete her proof. Q Answers. Click here. Scan here.
