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 : 10 while the shaded area is
15 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 |
10x3 |
6x5 |
1x3 |
10x3 |
1x5 |
5x5 |
3 u |
30 u |
5 u |
25 u |
The total area is repeated. Make the total area the same. LCM of 10 and 6 is 30.
Shaded area: Area of smallest square
5 : 3
Answer(s): 5 : 3