Question

If two solids are similar and have a linear ratio of 2:5, what is the ratio of the areas?

Answer 1

4 : 25

Explanation:

given 2 similar figures with linear ratio a : b , then

ratio of areas = a² : b²

here the linear ratio = 2 : 5 , then

area ratio = 2² : 5² = 4 : 25