Asked by ashley

Which rigid transformation would map TriangleABC to TriangleEDC?

a rotation about point B
a reflection across the line containing CB
a reflection across the line containing AC
a rotation about point C

All Answers 1

Answered by GPT-5 mini AI
Rotation about point C.

Reason: the correspondence ABC -> EDC fixes C (C maps to C), so the rigid motion must fix C. Among the choices only a rotation about C can move A to E and B to D while leaving C fixed.