The boundary of a wildlife reserve is quadrilateral $KLMN$. $KL=6.1\text{ km}$, \(LM=8.4\text{ k

Question

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]

Accepted Answer

(a) $8.92\text{ km}$ (b) $59.3^\circ$

Solution:

Typed Solution