Two-Dimensional Plane Geometry

• Quadrant I

• Quadrant II

• Quadrant III

• Quadrant IV

Which of the following is true about the segment addition postulate?

• It applies only to lines

• It states that the sum of the lengths of two segments equals the length of the whole segment

• It applies only to points

• It states that the sum of the lengths of two segments is always greater than the length of the whole segment

How is AB written in the distance formula?

What is a line segment?

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Extends in two dimensions.

• point

• plane

• line

• line segment

Identify the biconditional for the following statement. If M is the midpoint of \overline{AB}, then \overline{AM}\cong\overline{MB}.

• M is the midpoint of \overline{AB} only if \overline{AM}\cong\overline{MB}.

• \overline{AM}\cong\overline{MB} only if M is the midpoint of \overline{AB}.

• M is the midpoint of \overline{AB} if and only if \overline{AM}\cong\overline{MB}.

• If \overline{AM}\cong\overline{MB}, then M is the midpoint of \overline{AB}.

In the figure shown,AB=8 and AD=5. What is BC?

Identify the hypothesis and conclusion of the following statement: A rectangle must have four congruent angles.

• Hypothesis: The polygon has four congruent angles.

  Conclusion: The polygon is a rectangle.

• Hypothesis: The polygon is a rectangle.

  Conclusion: The polygon has four congruent angles.