(2) - Incoming

Geometry Level 2

Point $\text{D}$ is on line segment $\text{CA}$ such that $\text{AB} = \text{AD}$ and $\text{CA} = \text{BD}$ . If $\widehat{\text{ABC}} = 50^\circ$ then what is the measurement of $\widehat{\text{BCA}}$ in degrees?

10 20 40 15 45 35 30 25

1 solution

Aaghaz Mahajan
Dec 9, 2018

Ummm.....Sine rule???!!

Not all problems on Brilliant have to be difficult.

Thành Đạt Lê - 2 years, 6 months ago

Yeah true..........But its just that your problems are really nice....so, I was just a bit surprised.........that's all!! :)

Aaghaz Mahajan - 2 years, 6 months ago

Oh, it's actually fine. Have a good day!

Thành Đạt Lê - 2 years, 6 months ago

I am sorry, I could not get it. Could you, please, develop your solution, with sine rule or whatever ? Thanks a lot.

Gerard Boileau - 2 years, 5 months ago

(2) - Incoming

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