27-02-2017
Mathematics

Answered

The coordinates of the vertices of a polygon are (−3, 2) , (2, 3) , (4, 1) , (1, −1) , and (−3, −1). Round each side length to the nearest tenth of a unit.

What is the perimeter of the polygon?

Verified Answer :

ChandrikaP ChandrikaP

27-02-2017

Length of AB is \(\sqrt{(y2-y1)^2+(x2-x1)^2}\)

AB=\(\sqrt{26}\)=5.09
BC=\(\sqrt{8}\)=2.82
CD=\(\sqrt{13}\)=3.6
DE=4
EA=3

perimeter=add all sides= 18.51

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