brookeobrien111 brookeobrien111

19-11-2014
Mathematics

Answered

what does 3cm by 7cm mean

Answer :

bdzski16 bdzski16

19-11-2014

This means 3x7 cm, which is giving you the area of what's inside

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Аноним Аноним

19-11-2014

Say: centimetre=u

---------------------

3u*7u

=3*7*u*u

=3*7*u²

=21u²

=21cm²

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