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Mathematics 8 Online
OpenStudy (anonymous):

So the last question I have!

OpenStudy (anonymous):

Here it is solve for y :/

OpenStudy (math&ing001):

I don't we even need the similar polygons since we have 90°+90°+42°+y = 360°

OpenStudy (math&ing001):

think*

OpenStudy (anonymous):

Oh okay Actually I think its (4-3) *180

OpenStudy (anonymous):

*Minus 2*

OpenStudy (math&ing001):

How did you get that ?

OpenStudy (anonymous):

Its the formula for finding what your subtracting the other side of the equation which it does ad up to 360 so you were right and its 138

OpenStudy (math&ing001):

Ok, cool

OpenStudy (anonymous):

K thanks!

OpenStudy (math&ing001):

Welcome !

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