Which situation best represents the number line below?

Find an equation of the line perpendicular to the graph.

Manuela claims that and are congruent. which statement best describes her claim? she is incorrect because the segments do not have the same orientation. she is incorrect because the segments do not have the same length. she is correct because the segments have the same length. she is correct because the segments have the same orientation.

The area of a circle is equal to 1 dm². find the radius of the circle.