Question

Side , of ∆ produced to , respectively as shown in the

figure. If ∠ = 100°and ∠ = 35°, find all the angles of a triangle.​

Answer 1

Step-by-step explanation:

∠BAC=∠EAF=45

∘

(∵ vertically opposite angles )

∠ACB=180

∘

−∠ACD=180

∘

−105

∘

=75

∘

∠ABC=180

∘

−∠BAC−∠ACB=180

∘

−45

∘

−75

∘

=60

∘