Chapter 14, Problem 24CT

a.

To determine

Tostate: that is a half-turn a transformation or is it an isometry.

Answer to Problem 24CT

Half-turn is a transformation and isometry.

Explanation of Solution

Given information:

Half-turn.

yes, half turn is a transformation because half is the rotation about ${180}^{\circ }$ .

Half-turn is an isometry.

b.

To determine

To state: the three properties that are invariant under a half-turn.

Answer to Problem 24CT

Distance

Angle measure

Area

Explanation of Solution

Given information:

Half-turn.

the three properties that are invariant under a half-turn can be,

Distance

Angle measure

Area