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MATH / Let us have a triangle △ABC and a point D on BC such that BD=DC=DA. If ∠ABC=50^(∘), then how many degrees are in ∠ACB?

Problem

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problem

Let us have a triangle △ABC\triangle ABC and a point DD on BCBC such that BD=DC=DA.BD = DC = DA. If ∠ABC=50∘,\angle ABC = 50^\circ, then how many degrees are in ∠ACB\angle ACB?
Plain-text mathematical notation (without MathML)
Let us have a triangle △ABC and a point D on BC such that BD=DC=DA. If ∠ABC=50^(∘), then how many degrees are in ∠ACB?
Original LaTeX notation
Let us have a triangle $\triangle ABC$ and a point $D$ on $BC$ such that $BD = DC = DA.$ If $\angle ABC = 50^\circ,$ then how many degrees are in $\angle ACB$?

level

Level 4

type

Geometry

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Source and history

task_id
3fc81750-7238-555a-bd2a-3cb7c4083eb7
task_key
geometry--test--3fc81750-7238-555a-bd2a-3cb7c4083eb7
task_revision_id
1
config / split
geometry / test

Official source

initial import