Njnjbjkbjkb45go Njnjbjkbjkb45go Mathematics Answered Find the angle that makes them supplementary. ∠3=50 so ∠4= ∠5=70 so ∠6= ∠7=140 so ∠8= ∠9=90 so ∠10= ∠11=115 so ∠12= please help i will give brainliest and thanks