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Leena read a book that had a perimeter of 72 cm. If one side of the book is 16 cm, what is the length of the other side?

1 Answer

7 votes

Answer:

L = 20

Explanation:

perimeter of rectangle = 2 ( length + width )

72 = 2( L+ 16 )

72 = 2L +32

72 - 32 = 2L

L = 40/2

=20

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