The Strange Angle!

Geometry Level 3

In △ A B C \triangle ABC , A D AD divides B C BC in the ratio B D : C D = 1 : 2 BD:CD = 1:2 as shown in figure. If ∠ A B D = 4 5 ∘ \angle ABD = 45^\circ and ∠ D A B = 1 5 ∘ \angle DAB = 15^\circ , what is the measure of ∠ A C B \angle ACB ?

Bonus: Use geometry only.

9 0 ∘ 90^\circ 5 0 ∘ 50^\circ 7 5 ∘ 75^\circ 6 0 ∘ 60^\circ

Mr. India by Mr. India , 17, India

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1 solution

Mr. India
Mar 29, 2019

Sorry for bad writing, you can ask if u don't understand something

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