A greeting card is 7 cm long and 4 cm wide . find its perimetre
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A greeting card is 7 cm long and 4 cm wide take l=7;w or b=4
use the formula as greeting card is in rectangular shape= 2(l+b)
Step-by-step explanation:
Perimeter of a rectangle=2(l+b)
replace the l and b values
2(7+4) = 2(11)
= 2*11
= 22
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