The ratio of perimeters of two similar triangles is 4 : 9, then the ratio of their areas is ……… (A) 16 : 9 (B) 2 : 3
The ratio of perimeters of two similar triangles is 4 : 9, then the ratio of their areas is ………
(A) 16 : 9
(B) 2 : 3
(C) 16 : 81
(D) 61 : 81
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