This figure is not drawn to scale. It is made up of 3 squares. The ratio of the area of the smallest square to the largest square is 1 : 5 while the shaded area is
37 of the unshaded area. What is the ratio of the unshaded area to the area of the largest square?
Smallest square |
Largest Square |
Shaded area |
Unshaded area |
5x2 |
10x1 |
1x2 |
5x2 |
3x1 |
7x1 |
2 u |
10 u |
3 u |
7 u |
The total area is repeated. Make the total area the same. LCM of 5 and 10 is 10.
Unshaded area: Area of largest square
7 : 10
Answer(s): 7 : 10