Question

1. In the figure each side of the triangle ABC is

extended .

< ABC = 80 º , < ACD = 120 º

a) What is the measure of <BAC ?

b) What is the measure of <BAE ?

c) < BAE + < FBC + < ACD =​

Answer 1

Answer:

Please mark as brainlist

Answer 2

Answer:

40

Step-by-step explanation:

∠ACD=120d

∠ABC∠CAB=12units

∴∠ACB=180∘−120∘

∠ACB=60∘

As we know that

∠A+∠B+∠C=180∘

LA+B=180∘−60∘

∠A+∠B=120∘

3 units=120∘

1 unit=40∘

∠ABC=1×40∘=40∘

∠CAB=2×40∘=80∘

∴∠ABC=40