If the ratio of the length of two rectangles is 4:5 and the breadth in the ratio of 1:2, find the ratio of the area of the rectangles?
1
4:6
2
4:8
3
4:10
4
6:4
5
8:4
If the ratio of the length of two rectangles is 4:5 and the breadth in the ratio of 1:2, find the ratio of the area of the rectangles?