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 : 3 while the shaded area is
34 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 |
3x7 |
7x3 |
1x7 |
3x7 |
3x3 |
4x3 |
7 u |
21 u |
9 u |
12 u |
The total area is repeated. Make the total area the same. LCM of 3 and 7 is 21.
Area of smallest Square : Shaded area
7 : 9
Answer(s): 7 : 9