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Height & Width of Right Triangle Inside a Circle a radius=1

Circles, Angles and Triangles

What angles make the triangles disappear and why? What are the maximum and minimum heights? What are the maximum and minimum widths? How are the heights like percentages? Where are the 0% and 100% heights? How are the widths like percentages? Where are the 0% and 100% widths? What angle creates a 0.50 height (50% of the maximum)? What angle creates a 0.50 width (50% of the maximum width)?

Height and Width of Right Triangle Inside a Circle with a radius of 1

What part of a right-angled triangle is the radius? What side is the height of this triangle? Is it the opposite or the adjacent side to the reference angle? What side is the width of this triangle? Is it the opposite or the adjacent side to the reference angle? What mathematics uses angles and sides?