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 : 5 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 |
5x7 |
7x5 |
1x7 |
5x7 |
2x5 |
5x5 |
7 u |
35 u |
10 u |
25 u |
The total area is repeated. Make the total area the same. LCM of 5 and 7 is 35.
Shaded area: Area of smallest square
10 : 7
Answer(s): 10 : 7