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Deepak Bora
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In the adjoining diagram, write down (i) the co-ordinates of the points A, B and C. (ii) the equation of the line through A parallel to BC.

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An Important Question of M.L Aggarwal book of class 10 Based on Equation of a Straight Line Chapter for ICSE BOARD.
In this question a diagram is given you have to find the co-ordinates of the points and the equation of the line through aksed as per the question.
This is the Question Number 30, Exercise 12.2 of M.L Aggarwal.

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1 Answer

  1. ML Aggarwal Solutions for Class 10 Chapter 12 - 13

    From the given figure, its clearly seen that

    Co-ordinates of A are (2, 3) and of B are (-1, 2) and of C are (3, 0).

    Now,

    Slope of BC = (0 – 2)/ (3 – (-1))

    = -2/4

    = -1/2

    So, the slope of the line parallel to BC is also -1/2

    And, the line passes through A (2, 3)

    Hence, the equation will be

    y – 3 = (-1/2) (x – 2)

    2y – 6 = -x + 2

    x + 2y = 8

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