Question: Please written by computer source A. Draw a triangle on the plane, and use a protractor (just the planar kind) to measure its three interior

Please written by computer source

A. Draw a triangle on the plane, and use a protractor (just the planar kind) to measure its three interior angles. Add up the angle measures. What do you find?

B. Now do the same with a spherical triangle and your disk protractor. What do you find?

C. Draw a different spherical triangle and add up the measures of its three interior angles. What do you find?

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