Answer:
196 in²
Explanation:
Given that the scale factor is a : b , then
the area factor is a² : b²
Here the scale factor is 1 : 7 , thus
area scale factor is 1² : 7² = 1 : 49
That is the area of the dilated square is 49 times the original square.
area of dilated square = 4 × 49 = 196 in²