Answer:
see explanation
Step-by-step explanation:
Given 2 similar figures with ratio of corresponding sides = a : b
Then the ratio of the perimeter is also = a : b
and ratio of areas = a² : b²
Here ratio of sides = 2 : 5, thus
ratio of perimeters = 2 : 5 and
ratio of area = 2² : 5² = 4 : 25