If the ratio of the perimeters of two similar triangles ABC and DEF is 3:7 .What is the ratio of their corresponding sides?
2:3
3:7
1:7
3:5
The areas of two similar triangles are 9 cm2 and 16 cm2 respectively . The ratio of their corresponding sides is ____.
The ratio of the corresponding sides of two similar triangles is 1 : 3. The ratio of their corresponding heights is _________.