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Mathematics 21 Online
OpenStudy (anonymous):

Help With Quadrilaterals, Parallelograms, Polygons:s

OpenStudy (anonymous):

OpenStudy (anonymous):

@SolomonZelman

OpenStudy (solomonzelman):

can you tell me what a regular polygon is?

OpenStudy (anonymous):

nm, I got it, it was the top one right?

OpenStudy (solomonzelman):

Yes, the top one is a regular polygon.

OpenStudy (solomonzelman):

Oh, it is asking for which is not, so the top one is as I said....

OpenStudy (anonymous):

Is it the triangle?

OpenStudy (solomonzelman):

why are you posting this attachment in this reply? yes it's a triangle, it' a 45-45-90 ttriangle with proportions \[a~,~~a~,~~~a~\sqrt{2}\]

OpenStudy (isaiah.feynman):

I think its the square guys.

OpenStudy (solomonzelman):

Yeah for sure, LOL!

OpenStudy (isaiah.feynman):

Are you serious Solomon?

OpenStudy (solomonzelman):

yeah... no of course not, uk that....

OpenStudy (isaiah.feynman):

OKAY...

OpenStudy (solomonzelman):

I love 3 dots, it's like whatever, you know what I mean and etc just 3 dots but they say a lot.

OpenStudy (anonymous):

The attachment is my next question

OpenStudy (isaiah.feynman):

@shamil98 you still remember this?

OpenStudy (shamil98):

yes i do.

OpenStudy (isaiah.feynman):

I forget. Lol

OpenStudy (shamil98):

the sum of interior angles of any polygon is given by \[(n-2) \times 180\] where n is the number of sides. we got 6 sides 4 x 180 = 720 add all the angles together n + 6 + n + 135 + 62 + 151 + 140 = 720 solve for n

OpenStudy (anonymous):

2n+494=720 n=115?

OpenStudy (isaiah.feynman):

Should be right.

OpenStudy (anonymous):

thanks

OpenStudy (anonymous):

helpp

OpenStudy (isaiah.feynman):

@shamil98

OpenStudy (isaiah.feynman):

@SolomonZelman Help out?

OpenStudy (solomonzelman):

I have to go, it's late, sorry....

OpenStudy (solomonzelman):

@Isaiah.Feynman, you are a way better mathmatician than me, just like most of the people on OS, tagging me is just ...idk what to say, whatever, have a good night.

OpenStudy (isaiah.feynman):

This junior high stuff...which I haven't touched in years.

OpenStudy (shamil98):

find the number of sides using the formula i gave you add up all the anges and set it equal to the sum of the interior angles and solve for the variable..

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