So you have a circle. What is the area of that circle? Surely everyone remembers that the area of a circle is: Where Pi (Ï€) is of course the number and r is the radius of the circle. Where does this ...
To calculate the area of a rectangle you multiply the length by the width. A right-angled triangle is like half a rectangle. So to calculate the area of a triangle, you can work out the area of the ...
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