Draw a line segments XY of measure 6.5cm and take 2 point P AND Q such that they lie between the line segment XY measure the length of XP PY AND PQ and also veryfy that XP PQ QY=XY
A photograph of a bacteria and large 50000 time attains a length of 5 as shown in the diagram what is the actual length of the bacteria if the photograph is enlarged 20000 times only