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find the area of triangle (2,7) …

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find the area of triangle (2,7) (1,1) (10,3) using matrix method.

    • Posted by Sushma Devi 7 years, 3 months ago

    CBSE > Class 12 > Mathematics
    • 1 answers

    Manoj Kumar Gupta 7 years, 3 months ago

    1/2[2(1-3)+1(3-7)+10(7-1)] =1/2[-4-4+60] =52/2=26

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