Question 20
Farm Surveying and PlanningThe diagram represents a chain measurement drawing of the school farmland having an obstruction at point C. Which of the following describes the method used to calculate the distance CE?

- A.Similar triangular method
- B.Double perpendicular
- C.Right-angled method
- D.Quadrangle
- E.Chain method.
Show the answer and explanation
Answer: C (Right-angled method)
Explanation
A right-angled triangle is set out round the obstacle and Pythagoras is used.