Question

Help if you can. Thank You.

Answer 1

`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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