Ed galaxy perimeter

Mathematics

1 answer:

sp2606 [1]2 years ago

4 0

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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vaieri [72.5K]

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