Sides of a rectangle

The dimensions of a rectangle are in a 4:12 ratio. If the shorter side length is 12 cm, what is the length of the longer side in centimetres?

Correct answer:

b =  36 cm

Step-by-step explanation:

a=12 cm  a:b=4:12 b:a=12:4  b=a 124=12 124=36 cm



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