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Mathematics 22 Online
OpenStudy (anonymous):

the measure of each interior angle of a___ quadrilateral is ___ then ___ degrees

OpenStudy (anonymous):

concave/less/180 convee\x/less/180 concave/more/180 convex/more/180

OpenStudy (ash2326):

If there are any internal angles greater than 180° then a quadrilateral is a concave quadrilateral.

OpenStudy (anonymous):

so it would be conave/more/180?

OpenStudy (ash2326):

Nope, it can't be because the sum of all should be 360. And in the question it's saying every angle!! We can't have every angle > 180

OpenStudy (ash2326):

Do you understand?

OpenStudy (anonymous):

so which one would it be out of the answers i put up here and no i dont understand

OpenStudy (ash2326):

Few things you should remember: 1) Sum of all angles of a quadrilateral is 360 degrees 2) A concave quad is one where one angle is greater than 180 Do you understand this?

OpenStudy (anonymous):

yes

OpenStudy (ash2326):

Now tell which could be our option remember that each of the angles can't be >180

OpenStudy (anonymous):

okay so it would be concave/less/180?

OpenStudy (ash2326):

Read my post again:)

OpenStudy (anonymous):

i dont get it u said it cant be 180 so it would have to be less/ 180 rite?

OpenStudy (ash2326):

Yeah but concave is defined as one angle greater than 180

OpenStudy (anonymous):

so it would be convex?

OpenStudy (ash2326):

Yeah:) All angles < 180 => convex

OpenStudy (anonymous):

so its convex/less/180? :)

OpenStudy (ash2326):

Yeah:D did you understand?

OpenStudy (anonymous):

yeah thanks

OpenStudy (anonymous):

do u have facebook if so add me my name is denise carrothers :)

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