Ch. 2 Review Questions

True or False:

ifthen and are complementary

90321 mmm,2,1 3

True or False:

If M is a midpoint of , then AM=MB

AB

What is the hypothesis of:

Billy will have a lemonade stand only if it is sunny outside ?

Name the property that justifies:

If and then 21 32 31

True or False:

If a conditional statement is true, then its converse is true

Name the property that justifies:

X+5=16, then x=11

Name the property that justifies:

AB = AB

True or False:

Perpendicular lines form congruent adjacent angles

Always, Sometimes, Never:

Right Angles are ________________ congruent

Construct the conditional statement:

Hypothesis: the ray is a bisector of an angle

Conclusion: the ray divides the angle into 2 congruent angles

What phrase does a Biconditional statement always contain?

What do we call angles 1 and 2?

1 2

What can we call angles 1 and 3?

1

3

True or False:

If and then angle 1 and 2 are complementary:

1

2

301m 602m

Given the diagram, name the theorem, definition, or postulate that justifies the statement:

B

A

CD

1 2

3 4

If ray AD bisects Then

21 BAC

Given the diagram, name the theorem, definition, or postulate that justifies the statement:

B

A

CD

1 2

3 4

BD + DC = BC

Given the diagram, name the theorem, definition, or postulate that justifies the statement:

B

A

CD

1 2

3 4

If D is the midpoint of , then BD = ½ BC

BC

Given the diagram, name the theorem, definition, or postulate that justifies the statement:

B

A

CD

1 2

3 4

If D is the midpoint of , then

DCBD BC

True or False:

If three points are non-collinear, then they can still be coplanar

True or False:

If two angles are right angles, they are always congruent

How many congruent angles do these perpendicular lines form:

True or False:

If a line is in a vertical plane, then the line is vertical.

What can be used as reasons in proofs?

(multiple answers)

True or false:

If two angles are supplementary to the same angle, they are supplementary to each other

True or False:

If AM=BM, then M is a midpoint of AB