emberli6410 emberli6410

23-04-2022
Mathematics

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ed galaxy perimeter

ed galaxy perimeter class=

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Leora03 Leora03

23-04-2022

Answer:

53 mm

Step-by-step explanation:

Perimeter is the sum of the lengths of all its sides.

Let the length of the unknown side be x mm.

123= 25 +45 +x

x= 123 -25 -45

x= 53

Thus, the unknown side is 53 mm.

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