Question

in the given figure,if AB=AC,then find the value of x​

Answer 1

Answer:

70°

Step-by-step explanation:

From the exterior angle property of triangle we can say that,

angle ACB+ x = 125°

Also, angle ACB= angle ABC

And, angle ABC= (180-125)°=55°

So, angle ACB=55°

Therefore, x= (125-55)°=70°

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Answer 2

Answer:

To Find x or A

ab=ac (given)

: b=c

b =180°-125°

b=55°

b=c=55°

a+b+c=180°

a+55+55=180

a+110=180

a=70°

x=70°

Step-by-step explanation:

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Answer 3

Answer:

To Find x or A

ab=ac (given)

: b=c

b =180°-125°

b=55°

b=c=55°

a+b+c=180°

a+55+55=180

a+110=180

a=70°

x=70°

Step-by-step explanation:

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