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PostPosted: Mon Nov 04, 2013 1:06 pm 
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Joined: Wed May 18, 2011 10:56 am
Posts: 215
Hi,
Please can anyone help Test 1 q. 4e, they have only given one measurement, cannot make out even after looking at answer :? . is the 2nd measurement missing ie height. The value of x is required... (straight line there)

It is a parallelogram.

----15cm---------
x
-------------------

Tried to draw it, if anyone can help. (drawing doesn't come out as intended) supposed to be slanted.
All other shapes have 2 measurements to go by.

thanks


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PostPosted: Tue Nov 05, 2013 1:12 pm 
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Joined: Thu Jun 02, 2011 9:17 pm
Posts: 299
Hi,

The Area is given above the parallelogram = 90cm2
Base measurement is given = 15cm


Area = base x perpendicular height.

So divide the area by the base to get the height:

90/15 = 6

Therefore x=6

Hth


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PostPosted: Tue Nov 05, 2013 10:45 pm 
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Joined: Wed May 18, 2011 10:56 am
Posts: 215
Hi,
Thanks for replying, was giving up hope for an answer and wondering whether to email the publishers as there definately is no 90 cm above our shape D on page 5. Looks like a printing mistake... :roll: wonder if anyone else had this.

I knew something was not right as was wondering where they got the 90cm2 from... looked at the answer.

Thanks again.


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