Rigid Transformations and Symmetry

Front

If a figure is folded across a straight line and the halves match exactly, the fold line is called the ____.

Back

line of symmetry

Front

The number of times a figure maps onto itself as it rotates from 0° to 360° is called the ____.

Back

order of symmetry

Front

A ____ is the same distance from each point of a figure and its image.

Back

line of reflection

Front

rectangle ABCD with A(2, -4), B(4, -6), C(7, -3), and D(5, -1) in the x-axis. Where is B'?

Back

(4, 6)

Front

quadrilateral QRST with Q(-4, -1), R(-1, 2), S(2, 2), and T(0, -4) in the line y = x. Where is Q'?

Back

(-1, -4)

Front

triangle XYZ with X(-1, 1), Y(-1, -2), and Z(3, -3) in the line y = -6. Where is Z'?

Back

(3, -9)

Front

∆ABC with A(0, -1), B(2, 0), and C(3, -3) along a translation vector〈-5, 4〉. Where is A'?

Back

(-5, 3)

Front

trapezoid ACFD with A(1, 5), C(5, 5), F(4, 4), and D(2, 4) along the translation vector〈5, -1〉. Where is F'?

Back

(9, 3)

Front

∆MNO with M(-2, 2), N(0, -2), O(1, 0); 180°. Where is N'?

Back

(0, 2)

Front

∆DGF with D(1, 2), G(2, 3), F(1, 3); 270° clockwise. Where is G'?

Back

(-3, 2)