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I've seen volume calculations involving cutting a wedge from a cylinder where the wedge cuts down to the centre of the circle (i.e. the length of the straight edge will be the diameter of the cylinder).

I was looking for hints on working out the area of a wedge cut from a cylinder where the wedge goes straight across from one side of the cylinder to the other; if that makes sense.

If not, here's my poor attempt at a drawing to illustrate:

Anyone know any websites or any hints? As I say, the only ones I found pertain to wedges where, I believe, the angle of the cut remains constant (where the cut is from the centre), I believe the angle changes in my example.

Thanks in advance.

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# Homework Help: Area of a wedge

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