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sergeinik [125]
2 years ago
8

What does 3cm by 7cm mean

Mathematics
2 answers:
poizon [28]2 years ago
4 0
This means 3x7 cm, which is giving you the area of what's inside
kramer2 years ago
3 0
Say: centimetre=u

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

3u*7u

=3*7*u*u

=3*7*u²

=21u²

=21cm²
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