Question

Shape A has a perimeter of 36 feet and on of the side lengths is 12
feet. Shape B has a perimeter of 60 feet. What is the corresponding
side length for shape B?

Answer 1

The perimeter of a shape is the sum of its side lengths

The corresponding side length for shape B is 20 feet

How to determine the length

The length-perimeter ratio is given as:

Ratio = Length : Perimeter

For both shapes, we have:

12 : 36 = Length : 60

Express as fraction

$\frac{12}{36} = \frac{Length}{60}$

Multiply both sides by 60

$Length = \frac{12}{36} * 60$

$Length =20$

Hence, the corresponding side length for shape B is 20 feet

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