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Pre - exercises on Proving

Total questions: 10

Worksheet time: 8mins

Name
Class
Date
1.

If three points are on the same line, then_______.

a)

they are coplanar.

b)

they are collinear.

c)

they are non collinear.

2.

If two segments are congruent, then _________.

a)

the two segments are equal.

b)

the two segments are straight.

c)

the two segments have lengths.

3.

If X is the midpoint of segment AB, then _______________.

a)

AB = AX

b)

AB = BX

c)

AX = BX

4.

If segment AE is bisected at point P, then _________________.

a)

AP EP\overline{AP}\ \cong\ \overline{EP}

b)

AE AP\overline{AE}\ \cong\overline{AP}

c)

AE EP\overline{AE}\ \cong\overline{EP}

5.

If angle BEC is bisected by ray ED, then angle BED is congruent to angle CED. What reason supports this statement?

a)

Angle Addition Postulate

b)

Angle Bisector Theorem

c)

Definition of Congruent Angles

6.

If two lines are perpendicular, then they form 4 right angles. What reason supports this statement?

a)

Definition of Parallel Lines

b)

Definition of Perpendicular Lines

c)

Definition of Transversal Line

7.

If angles 1 and 4 are vertical angles, then they are congruent. What reason supports this statement?

a)

Vertical Angle Theorem

b)

Definition of Intersecting Lines

c)

Definition of Parallel Lines

8.

Which of the following states the Linear Pair Postulate?

a)

Two angles form linear pair are complementary.

b)

Two angles form linear pair are equal.

c)

Two angles form linear pair are supplementary.

9.

Which of the following states the Definition of Complementary Angles?

a)

Two angles whose sum of the angle measures is 180.

b)

Two angles whose sum of the angle measures is 90.

c)

Two angles whose sum of the angle measures is 60.

10.

If two parallel lines are cut by transversal, then ___________.

a)

Corresponding angles are supplementary.

b)

Alternate interior angles are complementary.

c)

Same side exterior angles are are supplementary. .