Two consecutive sides of a parallelogram are congruent






Definitions: • Parallelogram -- a quadrilateral that has two pairs of

If a quadrilateral is a parallelogram then consecutive angles are supplementary. • If both pairs of opposite sides of a quadrilateral are congruent
Quadrilateral Theorems and Definitions


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7) If a quadrilateral has both pairs of opposite angles congruent 22) The measures of two consecutive angles of a parallelogram are in the ratio 6:3.
Test Review


heep205.pdf

A square has 4 congruent sides and 4 right angles. 12/04/18 Example 28 : Two adjacent angles of a parallelogram are in the ratio. 4:5.
heep


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A parallelogram has opposite sides that are both congruent and parallel. 3. If two parallel lines are cut by a transversal then alternate interior angles are 
Review Ans A and B





Quadrilateral Theorems

If a quadrilateral is an ISOSCELES TRAPEZOID then If a RECTANGLE has two consecutive sides that are congruent
Theorem Quadrilateral CC


. a. Angles NMQ and MNP are consecutive angles. b. Angles MQP

Identify two pairs of supplementary angles. SOLUTION: a. Opposite sides of a parallelogram are congruent. b.
Parallelograms


1. NAVIGATION To chart a course sailors use a parallel ruler. One

Identify two pairs of supplementary angles. SOLUTION: a. Opposite sides of a parallelogram are congruent. b. Consecutive angles 
parallelograms


9.1 Properties of Parallelograms - Essential Question: What can you

Use your construction to make a conjecture about consecutive angles of a Example 1 Prove that the opposite sides of a parallelogram are congruent.
Module Lesson





a. Angles NMQ and MNP are consecutive angles. b. Angles MQP

Identify two pairs of supplementary angles. SOLUTION: a. Opposite sides of a parallelogram are congruent. b. Consecutive angles 
Parallelograms


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parallelogram is a rectangle. 2. 3. Theorem 5-17 If two consecutive sides of a parallelogram are congruent then the parallelogram is a rhombus.
Geo TrigII notes . pd


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  1. if two consecutive sides of a parallelogram are congruent then it is a rhombus
  2. two adjacent sides of a parallelogram are congruent what is the measure of each
  3. if two consecutive sides of a parallelogram are congruent
  4. if 2 consecutive sides of a parallelogram are congruent