if the area of a square with sides of length 7 centimeters is equal to the area of a rectangle with a width of 4 centimeters , what is the length of the rectangle , in centimeters ?
"let length of rectangle = l 7 ^ 2 = l * 4 = > l = 49 / 4 = 13 answer d"
divide(power(7, const_2), 4)