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The perimeter of a 12 cm x 3 cm rectangle is 2*(12+3) cm = 2*15 cm = 30 cm.

The perimeter of a 12 cm x 3 cm rectangle is 2*(12+3) cm = 2*15 cm = 30 cm.

The perimeter of a 12 cm x 3 cm rectangle is 2*(12+3) cm = 2*15 cm = 30 cm.

The perimeter of a 12 cm x 3 cm rectangle is 2*(12+3) cm = 2*15 cm = 30 cm.

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Wiki User

11y ago
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Kaden Nist

Lvl 1
7mo ago
bro that did not help me
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Wiki User

11y ago

The perimeter of a 12 cm x 3 cm rectangle is 2*(12+3) cm = 2*15 cm = 30 cm.

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Roy Xu

Lvl 2
3mo ago

30cm

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Q: How long is a perimeter of a 12cm and a 3cm rectangle?
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