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
49 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 |
5x13 |
13x5 |
1x13 |
5x13 |
4x5 |
9x5 |
13 u |
65 u |
20 u |
45 u |
The total area is repeated. Make the total area the same. LCM of 5 and 13 is 65.
Area of smallest Square : Shaded area
13 : 20
Answer(s): 13 : 20