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  • 2009 April(66F) Math Question 15

    Perimeter, Area, Volume

    - Triangles, Squares, Rectangles, Circles

    Choice E
    ∠B=90° ∠A+∠B+∠C=180° ⇒∠A+∠C=90° ∵∠A>43° 90−43=47 ∴∠C<47°

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