I wonder if anyone can help me with the area of an intended terrace. The problem is that the area is an irregular quadrilateral. There are no right angles anywhere on the project and because only one side will have uncut slabs my guess is that it is going to take a lot of them to cover the area in a decent fashion. To make matters worse the head gardener has stipulated that the slabs that she likes, while being a regular shape, consist of squares & oblongs. The attached diagram is actually to scale. Thanks in advance for any help given.
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