# Do it without diagram!

Geometry Level 5

In triangle $$ABC$$ we have $$AB = BC$$, $$\angle B = 20^\circ$$. Point $$M$$ on $$AC$$ is such that $$AM : MC = 1 : 2$$, point $$H$$ is the projection of $$C$$ to $$BM$$. Find $$\angle AHB$$ in degrees.

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