Subject

    Bank Exam

    Topic

    Joint Recruitment Test for 7 Banks and 1 Financial Institutions - (Senior Officers/General) - 27.11.2021

    The area of triangle with sides 3 cm, 5cm, 6cm is

    ক)
    28 cm²
    খ)
    2√14cm²
    গ)
    3√14cm²
    ঘ)
    √14cm²

    Explanation

    অর্ধ -পরিসীমা S=(3+5+6)/2 =14/2=7 অতএব , ত্রিভুজটির ক্ষেত্রফল =√(s(s-a)(s-b)(s-c) =√7(7-3)(7-5)(7-6) =√7.4.2.1 =2√14

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