- #1
skippy1729
Given a triangle on a hyperbolic surface with all angles and edge length known the area is given by R^2 x(PI - a - b - c), where a, b and c are the angles and R is the radius of curvature of the surface. What if you don't know R?
Same question for a triangle on a spherical surface where R is unknown.
Equivalent question: How do you measure R using LOCAL length and angle measurements? Assume that you know only that the surface has a constant curvature.
Thanks, Skippy
Same question for a triangle on a spherical surface where R is unknown.
Equivalent question: How do you measure R using LOCAL length and angle measurements? Assume that you know only that the surface has a constant curvature.
Thanks, Skippy