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 : 6 while the shaded area is
25 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 |
6x7 |
7x6 |
1x7 |
6x7 |
2x6 |
5x6 |
7 u |
42 u |
12 u |
30 u |
The total area is repeated. Make the total area the same. LCM of 6 and 7 is 42.
Shaded area: Area of smallest square
12 : 7
Answer(s): 12 : 7