Question

∆ ABC is an isosceles triangle with AB = AC. If ∆B = 40° find measures of ∆A and ∆C.
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Answer 1

Answer:A=70

C=70

Step-by-step explanation:

Let, A=x and C=x

A+B+C=180

x+40+x=180

2x+40=180

2x=180-40

2x=140

X=140/2

X=70

Answer 2

Answer:

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