Describe the effect of dilations, translations, rotations, and reflections on two-dimensional figures using coordinates.

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Describe the effect of dilations, translations, rotations, and reflections on two-dimensional figures using coordinates.: Overview

This topic covers various concepts like Rotational Symmetry in a Plane Figure, Angle of Rotation, etc.

Important Questions on Describe the effect of dilations, translations, rotations, and reflections on two-dimensional figures using coordinates.

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Give the order of rotational symmetry and angle of rotation for the following figure:

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Give the order of rotational symmetry and angle of rotation for the following figure:

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Give the order of rotational symmetry and angle of rotation for the following figure:

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Give the order of rotational symmetry and angle of rotation for the following figure:

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Give the order of rotational symmetry and angle of rotation for the following figure:

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Give the order of rotational symmetry and angle of rotation for the following figure:

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Draw three figures which do not show either the reflection or the rotation symmetry.

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Draw three figures which show only the reflection symmetry but not the rotational symmetry. Also draw the line (axis) of symmetry.

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Do the following figures show rotational symmetry? Find the value of angle of rotation.

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Does the following figure show the rotational symmetry? If yes, find the angle of rotation.

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John dilated the ABC by a scale factor of 3 to obtain the image triangle A'B'C'. The coordinates of the vertices of ABC are: A(3,3), B(5, 3), C(5, 1). Determine the coordinates of A'B'C'.

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 What does the equation 2x+3=-1 represent when considered as a linear equation in two variables?

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The following question consists of two sets of figures. There is a definite relationship between the first set of figures. Establish a similar relationship between the second set of figures by selecting a suitable figure from the options.

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Graph the rectangle ABCD with coordinates A(-2,1),B(1,1),C(1,-1),D(-2,-1) . Then dilate the image by a scale factor of 2 with the origin as the centre of dilation.