1
answer
171
views
20a
Problem

For access to Textbook Solutions, a Class+ or Grade+ subscription is required.

Textbook Expert
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 

  

Unlock all Textbook Solutions

Already have an account? Log in
Start filling in the gaps now
Log in