If the ratio of the sides of two similar figures is 3:5, then the ratio of their areas is
(a) 9:25.
(b) 3:5.
(c) 5:3.
(d) 1:2.
(e) None of these is correct.
a
Mathematics
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? 
A. 20
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C. 25
D. 4
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A. 
B. 
C. 
D. 
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