Find the smallest possible dimensions for the rectangle if the length of a rectangle is 4cm more than the width and perimeter is at least 48cm

planhetkk

planhetkk

Answered question

2022-10-10

Find the smallest possible dimensions for the rectangle if the length of a rectangle is 4cm more than the width and perimeter is at least 48cm

Answer & Explanation

Giancarlo Phelps

Giancarlo Phelps

Beginner2022-10-11Added 10 answers

The perimeter p will then be:
2x length + 2x width:
p = 2 ( x + 4 ) + 2 x = 4 x + 8
The smallest possible dimensions are when p=48:
4 x + 8 = 48 4 x = 40 x = 10
Answer : 14 x 10cm

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