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
13 of the unshaded area. What is the ratio of the shaded area to the area of the smallest square?
Smallest square |
Largest Square |
Shaded area |
Unshaded area |
5x4 |
4x5 |
1x4 |
5x4 |
1x5 |
3x5 |
4 u |
20 u |
5 u |
15 u |
The total area is repeated. Make the total area the same. LCM of 5 and 4 is 20.
Shaded area: Area of smallest square
5 : 4
Answer(s): 5 : 4