Question

Help if you can. Thank You.

Answer 1

Answer:

$Given:-$ Δ ABC

$AC~is~exteuded ~through ~C~to ~D$

$BC~is ~drawn ~to ~AC$

$Using ~Triangles~Exterior~angle~theorm,$

1) =∠3+∠4 and ∠4=∠5+∠6

∠7=∠3+∠2

So, only D) m∠7=m∠3+m∠2 is correct

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