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
29 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 |
10x11 |
11x10 |
1x11 |
10x11 |
2x10 |
9x10 |
11 u |
110 u |
20 u |
90 u |
The total area is repeated. Make the total area the same. LCM of 10 and 11 is 110.
Shaded area: Area of smallest square
20 : 11
Answer(s): 20 : 11