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Please help.How do I find the length of x?

Please help.How do I find the length of x?-example-1
User Siddhivinayak
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1 Answer

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Since the area of B is 9 times the area of A, we know that the sides of B are √9= 3 times the length of the sides of A.

That's how.

User Mir Ayman Ali
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