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Math Core Help !

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Hey
Am having it hard understanding the concept and the calculation of bearings and question 15
Am doing May/June 2007 paper 1 Core and that question is on qs.7 and qs 15
Could anyone brighten the concepts and answer for me please :D
Thank you
 
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Bearing Question

In bearing always find the angles by going in the clockwise direction.... Make indicators as I have first of all.... And "from" in the questions shows where you have to put the indicator.... Then find the angle...

213270x.jpg




Hexagon Question

Its easy....

See its a regular one so for x which is the interior angle of the hexagon use this formula...

(n-2) into 180° ( n is the number of sides ) this will give you the sum of all the interior angles... As its regular so all the interior angles are equal....
Then divide it by n to get the angle x...

To find y is easy isn't it now???? Give it a try if you could not I will help.... :)
 
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