Perimeter problems solve What to do a The length of a rectangle is double its width. Find the perimeter if the width is 200 cm. b The length of a rectangle is 6 times its width. Find the length and width of the rectangle if the perimeter is 7 metres. c Charlie ran around the school 3 times. How far did she run? Write your answer in km. 100 m 280 m 200 m X 6 S 40 m 300 m d Jake wants to build a fence around his swimming pool to comply with safety regulations. If the length of his pool area is 6 metres and the width is 4 metres, how much will it cost? Fencing costs $55.50 a metre