Name Date How Far Will You Travel?

Show your work in the space below. Be sure to find θ in radians, not in degrees:

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Part 3

Although Earth is not a perfect sphere, assume that it is for the purposes of this portfolio and use the formula for the arc length of a segment of a great circle on a sphere, s = rθ, to find the distance between your two locations. In this case, r is the radius of Earth, which is approximately 3,963.2 miles. Find the distance between your two locations.

Show your work in the space below.

What is the distance between your two locations?

Part 4

Write a paragraph that discusses what you learned about vectors from this portfolio.