Area of a rectangle can be found with the formula:
Area = length × width
If Sarah knows the length, she should know the width in order to find out the area of the rectangle.
Answer: width
The answer is algebraic work. Algebra is a based math is the piece of arithmetic in which letters and other general images are utilized to speak to numbers and amounts in formulae and conditions.
I hope the answer will help you. Feel free to ask more questions.
762 because if you add it will give you the answer