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Flauer [41]
3 years ago
8

Help me please I have no idea on how to do this. Thanks

Mathematics
1 answer:
andriy [413]3 years ago
6 0
1) P=2w +2l
46=2w +14
32=2w
16= w or width

2) A=lw
A=7 x 12
A= 84

3) A= 12 x 21
A= 252
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