4.The figure below is composed of seven congruent squares. The area is 43.75cm2. Calculate its perimeter.
What We Know:
7 congruent squares
P=14 congruent segments
43.75cm2/7 =A of ONE square
square root of 6.25cm2=ONE side of small square
2.5cmx14=A of shape
Perimeter of the shape is 35cm.