Question

8.5 triangle ABC is isosceles with ab is equal to AC find the value of x and y ​

Answer 1

Answer:

/_B = 80°

Exterior angle is 130° so

Step-by-step explanation:

Let angle A be x

X+80=130

X=80-130

X=50

Now angle A is 50 and angle B is 80

Angle sum property of triangle is 180° so

50+80+x=180

130+x=180

X=180-130

X=50

Answer 2

Step-by-step explanation:

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