The perimeter 6

The perimeter of the quadrilateral is 442.95 cm. The three known sides measure 84.56 cm,132.77 cm, and 82.75 cm. How long is the fourth side?

Correct answer:

d =  142.84 cm

Step-by-step explanation:

p=442.92 cm a=84.56 cm b=132.77 cm c=82.75 cm  a+b+c+d=p  d=p(a+b+c)=442.92(84.56+132.77+82.75)=142.84 cm

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