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Secondary IV • 4mo.
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This N8 and 3 please

Mathematics
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Explanations (1)

  • Explanation from Alloprof

    Explanation from Alloprof

    This Explanation was submitted by a member of the Alloprof team.

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    Team Alloprof • 4mo.

    Hello there !

    Regarding number 3, suppose the entirety of the length of the big rectangle, including 1,2 and3, being \( x \). Use \( k \) to find the ratio of the lengths, and then calculate the length of each rectangle with x. Then, equalize des areas and isolate for \( x \).

    Regarding number 8, find the measurement of \( AC \) with trigonometric identities to afterwards use the \( k \) ratio to find the sides of the triangle. Or, you could directly calculate the area and use \( k^{2} \).

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