Problem preview
G-CO.6 Warmup M1-041-A09-V01

Use rigid motions to transform figures and decide whether two figures are congruent.

Find a rigid motion mapping one segment to another

Problem

Infer the unique motion from this allowed family: translations, reflections across the \(x\text{-}\text{axis}\) or \(y\text{-}\text{axis}\), and \(90°/180°/270°\) rotations about the origin. It maps segment \(AB\) to \(CD\) with \(A(0,0)\to~C(2,3)\) and \(B(4,0)\to~D(6,3)\).

Big Picture

What this problem is really about

A segment mapping must send both labeled endpoints correctly, not merely place one endpoint. Compute the displacement from each source endpoint to its assigned image and compare the two vectors; a common vector identifies one rule, while any competing reflection or rotation must pass both endpoint checks as well.

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Four variants of this problem type
Curriculum context
Course
Math I
Standard
G-CO.6
Category
Geometry
Domain
Congruence
Objective
Use rigid motions to transform figures and decide whether two figures are congruent.
Problem type
Find a rigid motion mapping one segment to another