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Mathematics 10 Online
OpenStudy (anonymous):

What quality must a quadrilateral have? 3 angles 4 sides congruent sides a right angle

OpenStudy (anonymous):

4 sides

OpenStudy (mathstudent55):

A quadrilateral is a polygon with 4 sides. |dw:1362768585203:dw| Look at the polygon above. No sides are congruent, and no angles are congruent. How many angles does it have?

OpenStudy (anonymous):

what is a quadrilateral?

OpenStudy (mathstudent55):

The name quadrilateral is used for a 4-sided polygon, just like triangle is used for a 3-sided polygon.

OpenStudy (mathstudent55):

Triangle: 3-sided polygon Quadrilateral: 4-sided polygon Pentagon: 5-sided polygon Hexagon: 6-sided polygon etc.

OpenStudy (anonymous):

okay that helps so much, thanks a lot!!!

OpenStudy (mathstudent55):

wlcm

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