Straight line distance

Question 1

Reading the straight-line distance between two points

Answer 1

Place a strip of paper on the
line between the two points

Mark the two points on the edge
of the paper strip

3.
Place the marked edge of the
paper strip on the line scale

4. Read the distance between the
   two points

Question 2

Reading the length of a curved path

Answer 2

Place one end of a string at one end of the path to be measured (point
‘C’)

Using the string, trace the curved path

Mark the end of the path on the string (point ‘D’)

Place the string on the line scale

Read the distance off the scale