Sam divided a rectangle into 8 congruent rectangles that each have a area of 5 cm2. what is the area of the rectangle before it is divided?

Congruent = the same shape and size.

area of the rectangle before it is divided=8 * (area congruent rectangle)

area of the rectangle before it is dividide=8 * (5 cm²) = 40 cm²

Area of the rectangle before it is dividide=40 cm²