# Points, Lines, Angles, and Planes: Complementary, My Dear Watson Quiz

Think you’ve got your head wrapped around

*? Put your knowledge to the test. Good luck — the Stickman is counting on you!***Points, Lines, Angles, and Planes**Q. "An angle is bigger than its complement." This statement is…

True for all angles

True for all acute angles

True for all obtuse angles

True for some angles

Never true

Q. If two angles are supplementary, which of the following must be true?

They are adjacent

They are vertical

They are congruent

Their measures add to 90 degrees

Their measures add to 180 degrees

Q.

*A*,*B*,*C*, and*D*are not collinear, and*B*is between*A*and*C*. Which of the following is impossible?*AC*and

*BD*are parallel

*B*is the midpoint of

*AC*

∠

*DBA*is a right angle∠

*DBA*and ∠*DBC*are supplementary∠

*DBA*and ∠*DBC*are congruentQ. ∠1 measures 40° and ∠2 measures 45°. Which of the following is possible?

∠1 and ∠2 are vertical angles

∠1 and ∠2 are congruent

∠1 and ∠2 are complementary

∠1 and ∠2 are supplementary

None of the above is possible

Q. What is the relationship between ∠

*CHF*and ∠*CFH*?

The angles are congruent

The angles are adjacent

The angles are vertical

The angles are complementary

The angles are supplementary

Q. If m∠

*ACH*= 3*x*+ 7 and m∠*DCE*= 4*x*– 3, what is the measure of ∠*ACB*?

10°

37°

53°

90°

180°

Q. What is the measure of ∠

*DCB*?

30°

60°

90°

120°

180°

Q. If m∠

*CFH*= 45, what is m∠*GFH*equal to?

45°

90°

115°

135°

180°

Q. If line

*p*bisects*DH*, what is the midpoint of*DH*?

A

B

C

D

E

Q. If C is the midpoint of

*BF*and*BC*= 8, what is the measurement of*BF*?4

8

10

16

24

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