bell ringer 6–c. topic: quadrilaterals what is a quadrilaterals definition: a quadrilateral is a...

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BELL RINGER 6–C What is the y-coordinate at which the line determined by the equation intercepts the y-axis? Hint:

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Page 1: BELL RINGER 6–C. Topic: Quadrilaterals What is a Quadrilaterals Definition: a quadrilateral is a closed four sided figure with four sides and four vertices

BELL RINGER 6–C  

What is the y-coordinate at which the line determined by the equation intercepts the y-axis?

Hint:

Page 2: BELL RINGER 6–C. Topic: Quadrilaterals What is a Quadrilaterals Definition: a quadrilateral is a closed four sided figure with four sides and four vertices

Topic: QuadrilateralsWhat is a Quadrilaterals

 

Definition: a quadrilateral is a closed four sided figure with four sides and four vertices.

Example:

Page 3: BELL RINGER 6–C. Topic: Quadrilaterals What is a Quadrilaterals Definition: a quadrilateral is a closed four sided figure with four sides and four vertices

Topic: Quadrilaterals How do we name Quadrilaterals?

 

Quadrilaterals are named by listing their vertices in order. The symbol used to identify a quadrilateral is

Vertices    

Example: Name the above quadrilaterals in four different ways.

A B

C D

Page 4: BELL RINGER 6–C. Topic: Quadrilaterals What is a Quadrilaterals Definition: a quadrilateral is a closed four sided figure with four sides and four vertices

Topic: Quadrilaterals

What is consecutive and nonconsecutive

 

Consecutive: sides, angles, vertices that are next to each other

Nonconsecutive: sides, angles, vertices, that are not next to each other.

Example: Name all pairs of consecutive angles

     A

B

L

E

Page 5: BELL RINGER 6–C. Topic: Quadrilaterals What is a Quadrilaterals Definition: a quadrilateral is a closed four sided figure with four sides and four vertices

Topic: Quadrilaterals How many degrees are in a quadrilateral

 

There is 360° in a quadrilateral.

    

Example: find the measure of in a quadrilateral KDUC if , , , and .A B

C D