Join the IDNLearn.com community and get your questions answered by experts. Get step-by-step guidance for all your technical questions from our knowledgeable community members.

∠c=?
a) 30° b) 50°
c) 70° d) 100°
∠c - ∠b =?
a) 30° b) 40°
c) 50° d) 70°

∠a=?
a) 80° b) 70°
c) 40° d) 30°


C A 30 B 50 C 70 D 100 C B A 30 B 40 C 50 D 70 A A 80 B 70 C 40 D 30 class=