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WAEC Agricultural Science 2012 Question 19

Question 19

Farm Surveying and Planning

The diagram below represents a chain measurement drawing of a school farmland surveyed by students who encountered an obstruction at point C. Use the diagram and the information provided to answer questions 19, 20, 21 and 22.
The distance between points A and B will be given by

Diagram for this question
  1. A.AC + CD + EB.
  2. B.CD + DE + EB.
  3. C.AC + CE + EB.
  4. D.AC + CD + DE + EB.
Show the answer and explanation

Answer: C (AC + CE + EB.)

Explanation

The chain line runs A–C–E–B, so AB is AC + CE + EB.