• 2021 April(Z04) Math Question 33

    Perimeter, Area, Volume

    - Triangles, Squares, Rectangles, Circles

    Area of Rectangle(square), Unit Conversions (Feet to inches, miles to feet, hours to seconds)
    Choice D

    As 1 feet=12 inches so

    $$ 8\frac{1}{3}feet=\frac{25}{3}feet=100\quad inches $$

    $$ 10feet=120\quad inches $$

    $$ 100\times 120=1200 $$

    $$ 20\times 20=400 $$

    So,

    $$ \frac{1200}{400}=30 $$

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