[DOC] [TLE] Trigonometry - SERC [PAR] These sorts of questions pop up all over in geosciences - from plate tectonics to 
maps ... A right triangle (like the one in the figure to the right) has one angle that 
is 90. ... Because the trigonometric functions come up over and over, it is a good 
idea to figure out a way to ... Calculating distances and angles using trigonometry
. [DOC] [TLE] How To Measure Any Distance With The Pythagorean Theorem ... [PAR] Nov 5, 2007 ... We draw another triangle in red, using c as one of the sides. ... are at right angles, 
the theorem holds and the math works out. ... In 3D, we can find the distance 
between points (x1,y1,z1) and (x2,y2,z2) .... How similar do these look to you? ... 
Works for any shape, not just triangles (like circles); Works for any... [DOC] [TLE] 3-D Earth Geometry - Interactive Mathematics [PAR] Sep 7, 2016 ... Shows how to find great circle distances across the Earth's surface. ... The Earth 
is very close to a sphere (ball) shape, with an average radius of 6 3 7 1 k m ... To 
figure this out, we need to understand latitude and longitude first. .... at the center 
between the 2 points on the Earth's surface), using trigonometry. [DOC] [TLE] Chapter 5: Trigonometric Functions of Angles [PAR] We already know certain things about the circle like how to find area, ... we 
explore the circle, and its unique features that lead us into the rich world of ... 
From these we can find the ... Find the distance between the points (1, 6) and (3, -
5) ...... sector is drawn out by an angle of  , measured in radians, then the 
fraction of full... [DOC] [TLE] Ch. 6 - Trigonometric Functions of Angles [PAR] Jul 4, 2008 ... from angles, we'd be able to find the distance to the sun without going there. ... 
angle opens is measured along the arc of a circle of radius 1 with its center ... is 
2p rad, we get the following simple relationship between these two ... We can 
approximate the shape of the Earth by a sphere of radius 3960 miles. [DOC] [TLE] History of geodesy - Wikipedia [PAR] Geodesy also named geodetics, is the scientific discipline that deals with the 
measurement and representation of the Earth. The history of geodesy began in 
antiquity and blossomed during the Age of Enlightenment. Early ideas about the 
figure of the Earth held the Earth to be flat (see flat ... To these observations, 
Eratosthenes applied certain "known" facts (1) that on... [DOC] [TLE] Straight, Level, and the Curvature of the Earth | Math Encounters Blog [PAR] Nov 16, 2010 ... Figure 1: A view across a 20-km-wide bay in the coast ... The Earth's curvature 
will swamp out your instrument error in less than 100 feet. .... out how much the 
distance between two points vary with curvature of earth (as .... You need to use a 
model for the Shape of the Earth that takes this into account if you... [DOC] [TLE] Earth curvature refraction experiments - debunking flat/concave ... [PAR] Apr 13, 2015 ... As Astrobrant2 has put it, 'math is kryptonite to flat Earthers. .... The problem, 
though, will come from anyone using that formula to figure out more ... and d = 
distance between points (as a great circle), and the trig functions use radians .... 1
. The flat Earth. Nothing debunks the flat Earth model like seeing it in... [DOC] [TLE] GPS and Navigation - Navy STEM for the Classroom [PAR] convert longitude and latitude degrees into minutes and seconds. ... Explain how 
conditions on Earth and in space may affect GPS navigation. ... calculating radio 
wave distance from satellites to GPS units, and to measure distance on a map. ... 
A.1-Students will use geometric shapes, in particular the radii of circles,... [DOC] [TLE] Survey Manual Chap 2 Control Surveys and State Plane Coordinate ... [PAR] The first concept is the mathematical representation of

Question: Trig comes into play in figuring out distances between points on one of these math shapes, like the Earth
Answer: sphere