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Lera25 [3.4K]
3 years ago
9

Help Me with this please

Mathematics
1 answer:
ArbitrLikvidat [17]3 years ago
3 0

Step-by-step explanation:

Area is Hight × length

x + 3 = 3x

x + 3 = 3x

3x × 3x = 9x^2

I'm not sure but I think it might be this

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1)

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