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If the co-ordinate of the triangle P(4,5...

If the co-ordinate of the triangle` P(4,5),Q(8,2)` and origin then find the Area of triangle ?

A

14

B

32

C

16

D

28

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Knowledge Check

  • The centroid of a triangle lies at the origin and the coordinates of its two vertices are (-8, 7) and (9, 4). The area of the triangle is

    A
    95/6
    B
    285/2
    C
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    D
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    A
    (4,7)
    B
    (-4,-7)
    C
    (-4,7)
    D
    None of these

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    A
    2
    B
    `2//3`
    C
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    D
    3

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    The base QR of an equilateral triangle PQR lies on X-axis. The co-ordinates of the point Q are (-4,0) and origin is the mid-point of the base. Find the co-ordinates of the points P and R.

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