Posted by **Cherie** on Wednesday, November 28, 2012 at 12:18pm.

Tracy made a stained glass jewellery box. It measured 20cm by 12cm by 8cm.

a) About how much glass did Tracy use?

b) one piece of glass has an area of 100 cm squared and costs $3.65. How much did the glass cost?(assume all pieces can be used

Please help don't understand this!!!

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