Figure ABCD is a trapezoid. Which sequence of transformations will carry figure ABCD onto itself? a.) a reflection across side b followed by a 180° rotation about point A. b.) a reflection across side b followed by a 360° rotation about point A. c.) a reflection across the line joining the midpoints of DA¯ and CB¯ followed by a 180° rotation about the midpoint of DA¯.

Figure ABCD is a trapezoid. Which sequence of transformations will carry figure ABCD onto itself? a.) a reflection across side b followed by a 180° rotation about point A. b.) a reflection across side b followed by a 360° rotation about point A. c.) a reflection across the line joining the midpoints of DA¯ and CB¯ followed by a 180° rotation about the midpoint of DA¯.

Elementary Geometry For College Students, 7e

7th Edition

ISBN:9781337614085

Author:Alexander, Daniel C.; Koeberlein, Geralyn M.

Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.

ChapterP: Preliminary Concepts

SectionP.CT: Test

Problem 1CT

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Question

Figure ABCD is a trapezoid.

Which sequence of transformations will carry figure ABCD onto itself?

a.) a reflection across side b followed by a 180° rotation about point A.

b.) a reflection across side b followed by a 360° rotation about point A.

c.) a reflection across the line joining the midpoints of DA¯ and CB¯ followed by a 180° rotation about the midpoint of DA¯.

d.) a reflection across the line joining the midpoints of DA¯ and CB¯ followed by a second reflection about the line joining the midpoints of DA¯ and CB¯.

Give me a letter answer please.

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