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January 30, 2015

January 30, 2015

Posted by **alicia** on Monday, July 4, 2011 at 12:22pm.

- algebra 2 -
**MathMate**, Monday, July 4, 2011 at 4:23pmUse Arc length = rθ ....(1)

where θ is the arc angle in radians.

Since θ=75°=75*180/π radians

the arc-length, or terrestrial distance can be calculated from equation (1).

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