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Mathematics 22 Online
OpenStudy (anonymous):

The following is an example of an irregular polygon http://curriculum.kcdistancelearning.com/courses/GEOMx-HS-A09/a/assessments/Semester1Exam/Geometry_SemesterA_Final_209q.gif

ganeshie8 (ganeshie8):

okay, thats true its very irregular ;p is there a question ? :)

OpenStudy (anonymous):

oh. sorry. true or false

ganeshie8 (ganeshie8):

regular polygon will have all sides equal. do u think the given polygon has all sides equual ?

OpenStudy (anonymous):

lol sure! *wink wink*

ganeshie8 (ganeshie8):

are all angles equal ?

OpenStudy (anonymous):

no they are not

ganeshie8 (ganeshie8):

some angles are acite, some are obtuse... and nothing seems to be equal there

ganeshie8 (ganeshie8):

so its not regular

ganeshie8 (ganeshie8):

its an irregular polygon

OpenStudy (anonymous):

ok i have another question

ganeshie8 (ganeshie8):

shoot

ganeshie8 (ganeshie8):

look at the angles, few angles are > 180 eh ?

ganeshie8 (ganeshie8):

so its concave , true

OpenStudy (anonymous):

ok. im awful with these???

OpenStudy (anonymous):

To calculate the sum of the interior angles of a polygon multiply the number of sides by 180° Answer True False

ganeshie8 (ganeshie8):

wat do u think ha

ganeshie8 (ganeshie8):

|dw:1374297400640:dw|

ganeshie8 (ganeshie8):

triangle is a polygon it has 3 sides multiply 3 x 180 = 540 but we know that its false, cuz sum of angles equal 180 in a triangle

ganeshie8 (ganeshie8):

so its False

OpenStudy (anonymous):

oh yah. (n-2)180/2=

OpenStudy (anonymous):

is that the right equation?

OpenStudy (anonymous):

(n-2)180/n

ganeshie8 (ganeshie8):

its just : (n-2)180

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