USAAAO — 2017 First Round
Question 10
A student group from California Institute of Technology is planning a massive prank for this year. This year, they are planning on launching a rocket to Massachusetts Institute of Technology and making it explode above the so called ‘Great Dome’ of MIT. The rocket will contain a giant parachute printed with a logo of Caltech, so that the Great Dome will be covered with Caltech logo. How much distance does this rocket need to fly? The longitude and latitude information of two locations are given in the table below. (Assume that the Earth is a perfect sphere with radius of 6371 km.)
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Source
Source: USAAAO 2017 First Round, Question 10. The coordinate table and worked spherical-trigonometry diagram appear on source pages 6–7.