Answer:
The area of the new figure:
= 441 cm^2
Step-by-step explanation:
A square has a perimeter of 28 cm, so each side = 28/4 = 7 cm
All dimensions are increased by a scale factor of 3, so new dimensions of side will be 7 x 3 = 21 cm
The area of the new figure:
Area = (21)^2 = 441 cm^2
