A rectangular garden measures 9 ft by 5 ft. It is surrounded by a uniform border of stone to serve as a small walkway. The area of the stone border is equal to the area of the garden. Determine the width of the stone walkway. (Please help! I'm not sure how to get the formula started)

Does the construction demonstrate how to copy an angle correctly using technology a) yes the distance between points a and f was used to create circle h b) yes the distance between points f and g was used to create circle h c) no the distance between points a and f was used to create circle h d) no the distance between points f and g was used to create circle h