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    Maths-
    General
    Easy

    Question

    text  In a  end text straight triangle A B C comma tan invisible function application A plus tan invisible function application B plus tan invisible function application C equals 6 and tan invisible function application A tan invisible function application B equals 2 then the triangle A B C is

    1. right angled isosceles
    2. acute angled isosceles
    3. acute angled
    4. equilateral

    The correct answer is: acute angled

      tan invisible function application A equals 1 comma tan invisible function application B equals 2 comma tan invisible function application C equals 3
      A equals pi divided by 4 comma B less than pi divided by 2 comma C less than pi divided by 2
      therefore space straight capital delta A B C text  is acute angled triangle.  end text

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