Ratio of sides 2

The ratio of the side lengths of one square to another is 1:2. Find the ratio of the area of the two squares.

Correct answer:

r =  1:4

Step-by-step explanation:

a1=1 a2=2  k=a1/a2=1/2=12=0.5  S1=a12 S2=a22 r=S1/S2=a12:a22=(a1:a2)2=k2  r=k2=0.52=14=0.25=1:4



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