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atroni [7]
2 years ago
8

I NEED HELP ill mark brainilist to best answer

Mathematics
2 answers:
Alisiya [41]2 years ago
5 0
To solve for what one of the sides is, basically add all of the sides of this irregular shape and make it equal to the total perimeter.

d + 15.4 + 16.2 + 28.7 = 82

d + 60.3 = 82
d = 82 - 60.3
d = 21.7 cm.

The solution for d is that it is 21.7 cm.
Arturiano [62]2 years ago
4 0
All you have to do is add up the side lengths we already know then subtract by the perimeter.
60.3 is the side lengths all together that we know
82-60.3=21.7
Hope this helped!!

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