How many

How many different rectangles with integer page lengths have an area S = 60 cm²?

Correct result:

n =  6

Solution:

S=ab=60 a>b 60=2×2×3×5=22×3×5  a1=10,b1=6 a2=12,b2=5 a3=15,b3=4 a4=20,b4=3 a5=30,b5=2 a6=60,b6=1  n=6

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