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Mathematics 15 Online
OpenStudy (anonymous):

Trapezoid What is the perimeter of this polygon? 21 meters 70 meters 31 meters 28 meters

OpenStudy (anonymous):

OpenStudy (sleepyjess):

the lines on the side mean that the 2 sides are congruent so you will have 4+10+7+7

OpenStudy (anonymous):

4+7+7+10 is all you have to do. Those marks mean the other side is congruent, so it is 7 as well.

OpenStudy (anonymous):

so answer is 28

OpenStudy (anonymous):

Yup!

OpenStudy (sleepyjess):

yes

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