Find the perimeter od the ploygon defined by the coordinates (5,8), (-5,0), and (-1,8)

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Mathematics

Cookie Dough

10 June, 07:18

Find the perimeter od the ploygon defined by the coordinates (5,8), (-5,0), and (-1,8)

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Ellie Boyle · Answer 1

D = sqrt of (x2 - x1) ^2 + (y2-y1) ^2

1) sqrt of (-5-5) ^2 + (0-8) ^2 = sqrt of 100 + 64

2) sqrt of (-1 - (-5)) ^2 + (8-0) ^2 = sqrt of 16 + 64

3) sqrt of (-1-5) ^2 + (8-8) ^2 = sqrt of 36 + 0

P = sqrt 164 + sqrt 80 + 6

? not sure