[dalek2009]

Hi,
I was wondering if anyone could tell me whether I would get any marks for the last question on the second page of the PDF file at all?

Thank you for all your help,

[Coursework.info]

It's been a while since you posted and nobody's replied yet...maybe you should check out MarkedbyTeachers.com, TSR's sister site. It has the largest library of essays in the UK.

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[jeremybag]

its a simple adding up sum. quick scan looks correct to me

[rnd]

(Original post by jeremybag)
its a simple adding up sum. quick scan looks correct to me

but it isn't.

The quickest way to do it is to do

8 x (perimeter of L shape) + 2(area of L shape)

The 2 Ls together make a rectangle.

8 x 24 + 54 = 246 cm^2

Perhaps if you wrote clearly what each of your calculations represented you would get some marks...(I can't remember whether or not you did)

[dalek2009]

Would you be able to see whether I would pick up some marks at all?

[rnd]

(Original post by dalek2009)
Would you be able to see whether I would pick up some marks at all?

I honestly can't say for sure.

I don't feel that you should get anything.

Your part A and part B doesn't really help you in this case. Does the bottom face belong to part A or part B in your mind?

That sort of approach would be OK for an area or a volume.

I think your best bet for surface area at this stage is to show that you have calculated the areas of all the faces (8 of them in this case) and added them up. That way you'll probably pick up working markings even if your final answer is incorrect.

You could write something like

Big rectangles: 6x8x2 = 96
Small rectangles: 3x8x4 = 96
L Shapes: (3x6+3x3) x2 = 54

96+96+54 = 246 cm^2

Maybe this will help for next time.