If
AB=AC and ACD = 120• findLA (b) 60° (a) 50• (c) 70•
Answers
Answered by
1
Answer:
Given: AB=AC, ∠ACD=130
∠ACD+∠ACB=180 (Linear pair)
130+∠ACB=180
∠ACB=50
∘
Now, In △ABC,
∠ABC=∠ACB=50 (Isosceles triangle property)
Sum of angles = 180
∠ABC+∠ACB+∠BAC=180
50+50+∠BAC=180
∠BAC=80
∘
Step-by-step explanation:
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Answered by
0
some linear angles is 180
then
ACD+angleA=180
angleA=180-120 =60
angle A = 60
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