Two opposite angles of a parallelogram are congruent

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

If one pair of opposite sides of a quadrilateral are parallel and congruent then the quadrilateral is a parallelogram. • If both pairs of opposite angles of a 
Quadrilateral Theorems and Definitions

Untitled

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

Congruence of Parallelograms

24 févr. 2017 Does AB = EF? What is required for two parallelograms to be congruent? Student incorrectly drawing a parallelogram; Opposite sides are not ...
MathIILessonCOPara

A quadrilateral is a polygon with 4 sides. A diagonal of a quadrilat

In picture below ABCD is a quadrilateral
geometry note parallelogram

DC

9.1 Properties of Parallelograms - Essential Question: What can you

A parallelogram is a quadrilateral that has two pairs of parallel sides. Example 1 Prove that the opposite sides of a parallelogram are congruent.
Module Lesson

Postulates and Theorems - Geometry

Angles ≅ → Parallelogram. If both pairs of opposite angles of a quadrilateral are congruent then it is a parallelogram. Parallelogram → Diags. bisect each 
filedownload.ashx?moduleinstanceid= &dataid= &FileName= . Postulates and Theorems

Determine whether each quadrilateral is a parallelogram. Justify

Opposite sides of a parallelogram are congruent. parallelogram. ANSWER: No; both pairs of opposite sides must be parallel; because the slope of.
Tests for Parallelograms

A parallelogram is a quadrilateral in which both pairs of opposite

Corollary 2: The opposite sides of a parallelogram are congruent. Corollary 3: The diagonals of a parallelogram bisect each other. Corollary 4: Two 
Day sect .

Untitled

Both pairs of opposite angles are congruent. > Diagonals bisect each other. > Consecutive angles are supplementary. ➤ Contains all parallelogram properties.
Test Review

11 PARALLELOGRAMS AND TRIANGLES

the diagonals bisect each other. • prove that if two opposite sides of a quadrilateral are congruent and parallel it is a parallelogram.
chapter