Picture is not drawn to scale. The dimensions of rectangle B are twice the dimensions of rectangle A. The area of rectangle B is 72 cm2. What is the area of rectangle A?
Let the dimensions of rectangle A be x and y, and the dimensions of rectangle B be 2x and 2y.
The area of rectangle A is xy and the area of rectangle B is 4xy.
Given that the area of rectangle B is 72 cm^2, we have:
4xy = 72
Dividing both sides by 4:
xy = 18
Therefore, the area of rectangle A is 18 cm^2.