# What is the value of y using the interior of a polygon?

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2 sides is 113 degrees and then the other 2 is y

2 sides is 113 degrees and then the other 2 is y

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Jim G.
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Jun 21, 2018

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#"we are given 4 interior angles thus the polygon is a "#

#"quadrilateral"#

#"sum of interior angles" =360^@#

#"form an equation and solve for "y#

#113+113+y+y=360#

#226+2y=360#

#2y=360-226=134#

#y=134/2=67#

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