Try using a ruler or a measuring tape to measure the distance between two cities on a map or a globe. Then estimate the distance between the cities using the map's scale. Discuss the following: the cities you selected the scale of the map or the globe the measurement you made with the ruler or measuring tape the estimate you made of the actual distance between the cities how you arrived at your estimate
straight line distance or arc length?
it would if you were using globe
i thought so too but im taking math online and just talked to my teacher. Sorry straight line distance!
@JoannaiA do you have a map?
No, not with me im babysitting and the ids are sleeping so thought i could do some more of my online math course. sorry dont have a globe or a map near me =/
okay, I'll search for one on the web
Recommendation if I may? Pick two cities on opposite sides of the planet, or nearly enough. Plane travel guides will tell you the arc distance, you can use geometry to find straight line distance (I'll be the diameter of the earth if they are literally on opposite sides from each other).
If you know some calculus you can manually find the exact arc length (curved) and chord length (straight), but you can make this a whole lot simpler if you just choose your cities wisely :-)
Oh wow alright thanks i think that helps me a lot (:
do yu think it would work if i did like Arizona, usa to dc, usa?
No... Think further than that: http://en.wikipedia.org/wiki/Antipodes (yes really there's a word for that)
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