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 : 7 while the shaded area is
27 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 |
7x9 |
9x7 |
1x9 |
7x9 |
2x7 |
7x7 |
9 u |
63 u |
14 u |
49 u |
The total area is repeated. Make the total area the same. LCM of 7 and 9 is 63.
Area of smallest Square : Shaded area
9 : 14
Answer(s): 9 : 14