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The point A 0, 3 b …

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The point A 0, 3 b - 2, B and C - 1, 4 are the vertices of triangle ABC right angled at a find value of Pi

    • Posted by Astro Syndicate 6 years, 10 months ago

    CBSE > Class 10 > Mathematics
    • 2 answers

    Gaurav Seth 6 years, 10 months ago

    Correct question: The points A(0,3), B(-2, a) and C(-1,4) are the vertices of a right angled triangle at A. Find the value of a.

    <hr />

    Solution:

    Length of AB =√[(-2-0)²+(a-3)²]=√4+(a-3)²

    Length of BC=√1²+(4-a)²=√1+4-a²

    Length of CA=√1²+1²=√2

    BC²=AC²+AB²

    1+(4-a)²=2+4+(a-3)²

    1+16+a²-8a=6+a²+9-6a

    17+a²-8a=15+a²-6a

    2+a²-a²=-6a+8a

    2a=2

    a=1

    1Thank You

    Puja Sahoo? 6 years, 10 months ago

    Pi, question me hi nhi hai, to value kaise find krun...????

    1Thank You

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