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Explore the connection between Δ and θ on a circular curve with points ABC centered at O. Discover the relationship between angles Δ and θ in isosceles triangles ABO and BCO. Investigate how the lines are extended in the quadrilateral ABCO.
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E4004 Survey Computations A Relationship between and
Find the relationship between & • ABC lie on a circular curve with centre O B A C O
Find the relationship between & • ABO and BCO are isosceles triangles so... B A C O
Find the relationship between & • AB extended is a straight line so... • In the quadrilateral ABCO B A C O