Labels:clock | crt screen | encyclical | monitor | window | windowpane OCR: Level 4;Unit 5 Topic 3a January 1993 This investigation be done [pages lnvestic iation using string, pencil and cardboard or now on the computer Next you are to locate other 5 points where the sum of the 10.9 6 7 dist tances tc points and 8 9 equals 10 11 With your mouse put the pointer on the and click. You'll get the sum of the distances from the pointer points and 10 12 1416 18 Jd)p d(PF SUM 20 Your point will be accepted, No. if the sum of the dist tances dd)p d(PF 14 does not differ from by more than 20 mor points could linvestiaation Jocate Find