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The diameter of a circle is the longest measurement across the circle, and is a straight line passing through the middle. Half of this line is the radius, which is a straight line from the centre of the c...
You use the sine rule (a/sina=b/sinb) when you know 2 angles and one side amd you want to find out what the length of the side opposite one of the angles is.
The body is able to utilise a number of measures in order to maintain an optimum body temperature of around 37 degrees celsius. Firstly, capillaries close to the skin surface are able to vasodilate (expan...
x=4
y=3
اسمي بنيمين و عمري اثنين و عشرين سنة
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