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 2 : 7 while the shaded area is
12 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 |
7x3 |
3x7 |
2x3 |
7x3 |
1x7 |
2x7 |
6 u |
21 u |
7 u |
14 u |
The total area is repeated. Make the total area the same. LCM of 7 and 3 is 21.
Shaded area: Area of smallest square
7 : 6
Answer(s): 7 : 6