Question

Plz tell the answer​

Answer 1

Answer:

Step-by-step explanation:

AE is the bisector of the exterior angle ∠DAC of the Δ ABC and AE || BC

Now,

AB || BC {given}

∠1 = ∠2 {given}

So, ∠B = ∠1 {Corresponding angle}

and ∠C = ∠2 {Alternate angle}

=> ∠B = ∠C

=> AB = AC

So, Δ ABC is an isosceles triangle.