Complementary and Supplementary Angles Answers
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Which statements are true about the angles in the diagram? Select three options.
A
Angle ACE is supplementary to angle BCD.B
Angle BCE is supplementary to angle ACE.C
Angle BCD is supplementary to angle BCE.D
Angle ACE is congruent to angle BCE.E
Angle BCD is congruent to angle ACE.2
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Angle B measures 60°. What is the measure of the angle that is complementary to angle B?
A
30°B
60°C
120°D
180°3
Two lines are intersected by a third line.
A
2 5
B
2 is complementary to 5.C
m2 = m8D
2 is supplementary to 8.4
Right angle FCD intersects and at point C. FCE is congruent to ECD. ECD is complementary to DCB.
A
They are congruent and complementary.B
They are congruent and supplementary.C
They are complementary but not necessarily congruent.D
They are supplementary but not necessarily congruent.5
Given: intersects at point C. Prove: DCB ECA
A
linear pair postulateB
givenC
definition of complementary anglesD
congruent complements theorem6
Given:1 is complementary to 2. 2 is complementary to 3.Prove:m1 = m3
A
m1 = m2B
m1 + m2 = 90°C
m2 = m3D
m2 + m3 = 180°7
Angles 1 and 2 form a right angle.
A
linearB
congruentC
complementaryD
supplementary8
Rectangle QRST is shown. Angle QRT is congruent to angle STR, and angle STR is complementary to angle QTR.
A
They are congruent.B
They are complementary.C
They are supplementary.D
They are right angles.9
Angles A and B are complementary.
A
34B
56C
68D
7910
The figure shows three lines that intersect at point N.
A
42°B
48°C
132°D
138°Did you find these answers helpful?
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