Textbook ExpertVerified Tutor
5 Dec 2021
Given information
A triangle is drawn on the surface of the sphere.
Step-by-step explanation
Step 1.
For the vertices of the triangle, if we choose the angle on the north pole as nearly , then the other two angles should be each to ensure that the total sum of angle is
We start the journey from the north pole, and traverse down to the latitude on opposite faces of earth .It is clear that this two angles will be definitely , as it marks the intersection of Longitudinal lines of earth with the equator.
Hence adding up all these 3 angles sum up to
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