Question

vaaaaaaa rooooohggggg!!!!+

Answer 1

m(∡ano)+m(∡nap)=180°

60°+m(nap)=180°=>m(∡nap)=180°-60°=>m(∡nap)=120°

m(∡apo)+m(∡nop)=180°

m(∡apo)+30°=180°=>m(∡apo)=180°-30°=>m(∡apo)=150°

∡anl≡∡nlo=60° (unghiuri externe)

Δlpo

∡0=30°, ∡l=60°=>∡p=90°=>po⊥lp