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  • 2021 April(Z04) Math Question 9

    Similar Triangles & Types of Triangles

    - Similar Triangles

    Choice D

    $$ \frac{AC}{AE}=\frac{AB}{AD} $$

    $$ \frac{AC}{16}=\frac{8+7+6}{8}=\frac{21}{8} $$

    $$ AC\times8=16\times21 $$

    $$ AC=2\times21=42 $$

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