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Mathematics 18 Online
OpenStudy (aric200):

Need help... Will medal...

OpenStudy (aric200):

OpenStudy (aric200):

@ganeshie8

OpenStudy (aric200):

sum of interior angles of a polygon s = (n-2)*180 sum = (4-2)*180 = 2*180 = 360 degrees

OpenStudy (aric200):

So confused how to find all sides though I know each side would have to equal a total of 90 Degrees

OpenStudy (aric200):

Or does it, Looking at it it does not look like the sides are the same at all

ganeshie8 (ganeshie8):

First of all, sides are not measured in Degrees. Angles are measured in Degrees.

OpenStudy (aric200):

Sorry that is what I am meaning to say every time i say sides I mean angles.

ganeshie8 (ganeshie8):

use below : sum of exterior angles of ANY polygon = 360

OpenStudy (aric200):

360/4=90

ganeshie8 (ganeshie8):

you're not given a square. so nope that will not work ^

OpenStudy (aric200):

Idk what shape that it is irregular...

ganeshie8 (ganeshie8):

instead add up all the given angles and set it equal to 360

ganeshie8 (ganeshie8):

J + K + L + M = 360

OpenStudy (aric200):

So I just went with a square because my mine is at a state of just before blowing up

OpenStudy (aric200):

Okay hold on

OpenStudy (aric200):

So 4r + 7r + 5r + 8r = 360?

OpenStudy (aric200):

Im sure this is really basic and im just being stupid because It is 4:30 in the morning...

ganeshie8 (ganeshie8):

You have it ! thats right !! solve r

OpenStudy (aric200):

I could have just looked at the practice problem...

OpenStudy (aric200):

So R = 15?

OpenStudy (aric200):

Thank you for assisting me through that haha

ganeshie8 (ganeshie8):

np :) and yes r = 360/24 = 15

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