Question

In ∆LMN, ∠M=120˚ and ∠N=40˚ then find the measure of ∠ L .​

Answer 1

It is given that in ΔLMN,

∠L=x°

∠M=120°

∠N=40°

Through angle sum property,∠M+∠N+∠L=180º

=>120º+40º+x°=180°

=>x°=180°-160°

=>x°=20°