Back to Angles are taken to angles of the same measure — Problem 1 · Task Set 20

Exercises: Rigid Motions Preserve Angle Measure

Work through each section in order. A rigid motion is a translation, reflection, or rotation. For each problem, decide what the angle-preservation property tells you before measuring or computing. Show your work where indicated.

Grade 8·21 problems·~30 min·Common Core Math - Grade 8·standard·8-g-a-1b
Work through problems with immediate feedback
A

Recall / Warm-Up

These problems review skills you already know: classifying angles, naming rigid motions, and applying transformation rules.

1.

An angle measures 118°118\degree. How is this angle classified?