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Ed galaxy perimeter ​

Ed galaxy perimeter ​-example-1
User Hypee
by
7.9k points

1 Answer

11 votes

Answer:

53 mm

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.

User TTS
by
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