alixzandreiawil3644 alixzandreiawil3644
  • 06-06-2023
  • Mathematics
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the base of a triangular piece of paper $abc$ is $12\text{ cm}$ long. the paper is folded down over the base, with the crease $de$ parallel to the base of the paper. the area of the triangle that projects below the base is $16\%$ that of the area of the triangle $abc.$ what is the length of $de,$ in cm?

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