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 : 9 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 |
9x4 |
4x9 |
1x4 |
9x4 |
1x9 |
3x9 |
4 u |
36 u |
9 u |
27 u |
The total area is repeated. Make the total area the same. LCM of 9 and 4 is 36.
Shaded area: Area of smallest square
9 : 4
Answer(s): 9 : 4