Question

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Answer 1

Answer:

the answer is 2 cm

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Answer 2

Answer:

rectangle perimeter = 2 ×( l+b)

Step-by-step explanation:

perimeter = 2 × ( 4 + l )

14 cm = 2 × ( 4 + l )

14 cm = 8 + ( 2 × L )

( 2 × L ) = 14 - 8

( 2 × L ) = 6 cm

L = 6 ÷ 2

L = 3cm