Wendy drew a square. She then erased it and drew a second square whose sides were 3 times the sides of the first square. The area of the second square is k% greater than the area of the first square. What is k?

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01-01-2021
Mathematics

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Wendy drew a square. She then erased it and drew a second square whose sides were 3 times the sides of the first square. The area of the second square is k% greater than the area of the first square. What is k?

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Snoopy72idn Snoopy72idn · Answer 1 · 2021-01-01T13:16:07-05:00

Snoopy72idn Snoopy72idn

01-01-2021

Answer:

x times x is x^2 for first area. second area is 3 times that so 3x times 3x you get 9x^2 for the second area. 9 - 1 times 100% would then be 800% larger.

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