The areas of squares and are 25 square centimeters and 49 square centimeters respectively. What is the number of square centimeters in the area of rectangle ?
You should be able to figure this one out; it's very easy!
A1 is 5cm on a side and A2 is 7cm on a side......
So ... A3 = 5 x 7 = 35 sq cm
i know that one was easy...