Drexel dragonThe Math ForumDonate to the Math Forum

Ask Dr. Math - Questions and Answers from our Archives
_____________________________________________
Associated Topics || Dr. Math Home || Search Dr. Math
_____________________________________________

Two Airplanes


Date: 08/28/97 at 19:27:44
From: james gilbert
Subject: Trigonometry/algebra III

Airplane A is located 3 miles west and 1 mile south of airport O.  
Airplane B is located 5 miles due north of the airport at the same 
altitude as airplane A. Draw a diagram using coordinate system with 
origin O. How far apart are the two airplanes? Express the answer in 
radical form.


Date: 08/29/97 at 08:15:50
From: Doctor Jerry
Subject: Re: Trigonometry/algebra III

Hi James,

You can plot (-3,-1) for A and (0,5) for B, with the airport at (0,0). 
Use the distance formula to calculate how far apart A and B are.

The distance formula is d=sqrt((x2-x1)^2+(y2-y1)^2), where (x1,y1) and 
(x2,y2) are the two points.

-Doctor Jerry,  The Math Forum
 Check out our web site!  http://mathforum.org/dr.math/   
    
Associated Topics:
High School Basic Algebra
High School Trigonometry

Search the Dr. Math Library:


Find items containing (put spaces between keywords):
 
Click only once for faster results:

[ Choose "whole words" when searching for a word like age.]

all keywords, in any order at least one, that exact phrase
parts of words whole words

Submit your own question to Dr. Math

[Privacy Policy] [Terms of Use]

_____________________________________
Math Forum Home || Math Library || Quick Reference || Math Forum Search
_____________________________________

Ask Dr. MathTM
© 1994-2013 The Math Forum
http://mathforum.org/dr.math/