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Find the perimeter of the polygon defined by the coordinates (3, 10), (10, 0), (-1, -2), and (-3, 10). (Round to nearest tenth)

A) 40.6 units
B) 41.6 units
C) 42.6 units
D) 44.6 units

Respuesta :

ileepig1p3164i
distance formula 
a(3,10) b(10,0) c(-1,-2) and d(-3,10)
use it for lines ab,bc,cd, and da.
i got sqrt149+sqrt125+sqrt148+6
41.56
i did that in my head so that might be wrong by a bit.
but thats the genreral idea.
i just rechecked, thats probably it.

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