Boundary of a wildlife reserve
Boundary of a wildlife reserve
Secondary 3
5 marks
Original parallel to supplied E Math applications of trigonometry references
The boundary of a wildlife reserve is quadrilateral \(KLMN\).
\(KL=6.1\text{ km}\), \(LM=8.4\text{ km}\), \(MN=7.5\text{ km}\), \(\angle LMN=68^\circ\) and \(\angle KNL=36^\circ\).
The angle \(\angle LKN\) is acute. Give non-exact numerical answers correct to \(3\) significant figures.
- Find diagonal \(LN\).[3]
- Find \(\angle LKN\).[2]
Video Solution:
Video solution locked
A free account saves your progress; this video needs a course plan.
Solution:
Solution locked
680+ questions here come with free worked solutions. A free account saves your questions and progress; this one needs a course plan.
Create a free account to practise similar questions.
Answer:(a) \(8.92\text{ km}\) (b) \(59.3^\circ\)
Need help? Join our E-Maths tuition for O-Level success.
Learn more