GCSE edexcel maths past paper help!

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Nath98
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Can anyone tell me where I've gone wrong? Its Q9 on the Edexcel maths march 2013 calculator paper.
The mark scheme says the answer is 1180 and I don't understand how...

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FREYA2898
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Split the large rectangles into smaller rectangles, find the areas and add it together and times it by the cross sectional width


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yamyam77
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Just split the front into two rectangles, work out the bxh for them then time each one by the length, and add it up, you will get 1180.
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