Mathematics
Grade9
Easy

Question

Graph a quadrilateral whose vertices are A(-3, -2), B(-5, -2), C(-6, 1), and D(-3, 2). Graph ABCD quadrilateral and its image when rotated 90o about the origin

hintHint:

For a rotation of 90, coordinate rule (a, b) → (-b, a).

The correct answer is:


    Given, the vertices of a quadrilateral ABCD are A(-3, -2), B(-5, -2), C(-6, 1), and D(-3, 2).
    For a rotation of 90, coordinate rule (a, b) → (-b, a).
    A(-3, -2) → A’(2, -3)
    B(-5, -2) → B’(2, -5)
    C(-6, 1) → C’(-1, -6)
    and D(-3, 2) → D’(-2, -3)
    Now graph the image of the quadrilateral ABCD of vertices A’(2, -3), B’(2, -5), C’(-1, -6), and D’(-2, -3).

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