Complementary and Supplementary Angles

Question 1

Right angle FCD intersects and at point C. FCE is congruent to ECD. ECD is complementary to DCB.

Revolt · Accepted Answer

They are congruent and complementary.

Question 2

Two lines are intersected by a third line.

Revolt · Accepted Answer

2 is supplementary to 8.

Question 3

The figure shows three lines that intersect at point N.

Revolt · Accepted Answer

42°

Question 4

Given: intersects at point C. Prove: DCB ECA

Revolt · Accepted Answer

linear pair postulate

Question 5

Points A, B, and C are on line AC.

Revolt · Accepted Answer

40°

Question 6

Triangle ABC is a right triangle.

Revolt · Accepted Answer

They are complementary.

Question 7

In the figure, RQS QLK.

Revolt · Accepted Answer

108

Question 8

Given:1 is complementary to 2. 2 is complementary to 3.Prove:m1 = m3

Revolt · Accepted Answer

m1 + m2 = 90°

Question 9

Angles 1 and 2 form a right angle.

Revolt · Accepted Answer

complementary

Question 10

Angles A and B are complementary.

Revolt · Accepted Answer

34

Complementary and Supplementary Angles Answers