Picmath#4 Find the sum of angles ( α+β+γ ) in given figure

In this video, we will see how to find the sum of angles ( α+β+γ ) for three adjacent cubes placed on same surface and same height for all three observers.
Concepts used:
Concept of a cube and its sides
height and distances (Applications of trigonometry) grade 10
Inverse trigonometric functions tan^-1(x)+tan^-1(y) = tan^-( (x+y)/(1-xy))
tan^-1(1) = 45 (degree) or (pi/4 (radians)
SOH CAH TOA
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