Question

Activity : Expand (r + a)(x + b) using formulae for areas of a square and a rectangle.
b
r
xb
b
Ixt a
+
a
ab
a
a
b
centroid​

Answer 1

Answer:

In other words, the area of a square is the product of the length of each side with itself. That is, Area A = s x s where s is the length of each side of the square. For example, the area of a square of each side of length 8 feet is 8 times 8 or 64 square feet.