A rectangle has a length of 12 cm and a width of 9 cm. What is its perimeter?
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Answered by
3
Answer:
perimeter of rectangle = sum of all sides
= 12+9+12+9
= 42 cm.
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Answered by
2
Answer:
Given:- Length =12cm breadth = 9cm
Proof:- P(rectangle) = 2 (l+b)
=2 (12+9)
=2(21)
= 42 cm
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