JAMB - Mathematics (1980 - No. 11)
The ratio of the areas of similar triangles is necessarily equal to
the ratio of the corresponding sides
the ratio of the squares of corresponding sides
the ratio of the corresponding heights of the triangles
half the ratio of the corresponding heights of the triangles
the ratio of the corresponding bases to the heights of the triangles
Paskaidrojums
The ratio of the areas of two similar triangles is equal to the square of ratio of their corresponding sides.