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5 votes
I need help wit this ASAP 6 minutes

I need help wit this ASAP 6 minutes-example-1
User Splonk
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1 Answer

4 votes
the shaded portion of…
10x10=36
6x6=20
15x15=56
20x20=76
nxn=4n-4
(because there are 4 sides and you take the 4 corners away to avoid recounting them)
User GuruKulki
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7.6k points