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Geometry 15 Online
OpenStudy (jordanmaloney1000):

Please help :) which statement is true? a.) all quadrilaterals are polygons with two pairs of parallel sides b.) all quadrilaterals are polygons with four sides c.) all quadrilaterals are polygons with at least one pair of parallel sides d.) all quadrilaterals are polygons with four sides and at least one pair of parallel sides

jimthompson5910 (jim_thompson5910):

a.) all quadrilaterals are polygons with two pairs of parallel sides this is false because it's possible to draw something with 4 sides and one set of parallel lines (trapezoid) or no sets of parallel sides |dw:1481767801318:dw|

jimthompson5910 (jim_thompson5910):

that word "para" is supposed to say "parallel" do you agree so far @Jordanmaloney1000 ?

OpenStudy (jordanmaloney1000):

yes i do :)

jimthompson5910 (jim_thompson5910):

how about b? does that sound true or false? why?

OpenStudy (jordanmaloney1000):

its false if it has four sides it would be parallel so b would be false right?not really good at this lol

jimthompson5910 (jim_thompson5910):

If something is a `quadrilateral`, then what do you know about it?

OpenStudy (jordanmaloney1000):

it doesnt have parallel sides

OpenStudy (jordanmaloney1000):

okay im wrong a parallelogram is a quadrilateral with both pairs of opposite sides parallel

jimthompson5910 (jim_thompson5910):

it's just any 4 sided shape right? by "4 sided" I mean "4 line segments"

OpenStudy (jordanmaloney1000):

it would be c?

jimthompson5910 (jim_thompson5910):

quad = 4

OpenStudy (jordanmaloney1000):

so it would be be the all quadrilaterals are polygons with four sides

jimthompson5910 (jim_thompson5910):

so what I'm trying to say is that `b.) all quadrilaterals are polygons with four sides` is a true statement if it has 4 sides, then it's a quadrilateral

jimthompson5910 (jim_thompson5910):

`all quadrilaterals are polygons with four sides` yes correct

OpenStudy (jordanmaloney1000):

alrighty i understand now sorry for all the trouble

jimthompson5910 (jim_thompson5910):

no problem

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