The ratio of the side length is 2:3:4. The shortest side is 15 inches. What is the perimeter? Explain.

Answer 1

let the sides be 2x, 3x, and 4x
(notice 2x:3x:4x = 2:3:4 )

but 2x = 15

find x, then sub into my definitions

Answer 2

The perimeter is 67.5 inches. If the first side is 15inches than the second side is 15+7.5= 22.5 because if you use a tape diagram the answer in each section is 7.5. Then that means your side 2 is 22.5 inches, then you do 22.5+7.5=30. Then just add them all together. You get a perimeter of 67.5 inches.

Answer 3

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