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
13 of the unshaded area. What is the ratio of area of the smallest square to the shaded area?
Smallest square |
Largest Square |
Shaded area |
Unshaded area |
10x2 |
4x5 |
1x2 |
10x2 |
1x5 |
3x5 |
2 u |
20 u |
5 u |
15 u |
The total area is repeated. Make the total area the same. LCM of 10 and 4 is 20.
Area of smallest Square : Shaded area
2 : 5
Answer(s): 2 : 5