Discussion about math, puzzles, games and fun.   Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ • π ƒ -¹ ² ³ °

You are not logged in.

## #1 2012-12-11 12:49:32

infinitebrain
Full Member

Offline

### Vector Problem

Ima Hyker is camped out in the forest. After breakfast she walks 16 km on a bearing
of 327° then she walks 12 km on a bearing of 237°. What bearing will Ima have to
walk to head straight back to her camp? (nearest degree)

I know how to work it mathematically, but I need a good visual representation ! Could any of you do me a favor and graph it to show me to you can graphically look at this?

The best thing about life is you don't know what to expect

## #2 2012-12-11 13:40:41

bobbym

Online

### Re: Vector Problem

Hi infinitebrain;

I know nothing about bearings. I get lost going around the corner. I navigate by taking a big ball of twine with me and letting it out as I go. Then I follow it back. I do not use bread crumbs because wasting food is wrong.

Here is what I drew:

In mathematics, you don't understand things. You just get used to them.
Some cause happiness wherever they go; others, whenever they go.
If you can not overcome with talent...overcome with effort.

## #3 2012-12-11 18:55:33

bob bundy
Moderator

Offline

### Re: Vector Problem

hi infinitebrain,

To avoid confusion amongst navigators, and so that they can use a magnetic compass to determine which way to go, bearings are measured clockwise from North.

I have made a sketch of the problem.  The distances and angles are not accurately shown.

Bob

You cannot teach a man anything;  you can only help him find it within himself..........Galileo Galilei

## #4 2012-12-12 11:43:17

infinitebrain
Full Member

Offline

### Re: Vector Problem

Thank you bob and bobbym! You've both been a enormous help!

The best thing about life is you don't know what to expect