3x square

The side length of the square is 73 cm. How many times does a square's area increase if the side's length increases three times?

Final Answer:

n =  

Step-by-step explanation:

k=3 S2=b2 = (ka)2 = k2a2 = k2 S1 n= S2/S1 = k2 n=k2=32=9=



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