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

Think you’ve got your head wrapped around Points, Lines, Angles, and Planes? Put your knowledge to the test. Good luck — the Stickman is counting on you!
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 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 congruent
Q. ∠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 vertical
The angles are complementary
The angles are supplementary
Q. If m∠ACH = 3x + 7 and m∠DCE = 4x – 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