The ratio of the lengths of the corresponding sides of two similar triangles are in the ratio of 4 : 9. Then the ratio of their areas is
(a) 16 : 81
(b) 81 : 16
(c) 4 : 9
(d) 9 : 4
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The ratio of the lengths of the corresponding sides of two similar triangles are in the ratio of 4 : 9. Then the ratio of their areas is
(a) 16 : 81
(b) 81 : 16
(c) 4 : 9
(d) 9 : 4
The ratio of the lengths of the corresponding sides of two similar triangles are in the ratio of 4 : 9. Then the ratio of their areas is
(a) 16 : 81
(b) 81 : 16
(c) 4 : 9
(d) 9 : 4
Correct answer is (a) 16 : 81