Question

Triangle KLN is an equilateral triangle. Find MKN. ​

Answer 1

sum angles triangle = 180°

dans un triangle équilateral chaque angle = 60°

∠MLK=∠LKN=∠KNL = 60°

dans KML :

∠KML=105°, ∠MLK = 60°→∠LKM = 180-105-60=15°

→∠MKN=∠LKN-∠LKM=60-15=45°

Explanation: