Back to Lines are taken to lines, and line segments to line segments of the same length — Problem 1 · Task Set 54

8.G.A.1.a Tutor Intake -- Rigid Motions Preserve Lines and Length

This short check helps your tutor see where to start. Work on your own,
without a calculator. Do your best -- the goal is to find what to work
on together, not to grade you.

Grade 8·5 problems·~7 min·Common Core Math - Grade 8·standard·8-g-a-1a
Work through problems with immediate feedback
A

Procedures

1

Segment CD has endpoints C(-3, 2) and D(1, -1), so CD = 5. The
segment is rotated 180 degrees about the origin to form segment
C'D'. What is the length of C'D', in units? Enter a number.