Complementary and Supplementary Angles

Question 1

Angles 1 and 2 form a right angle.

Revolt · Accepted Answer

complementary

Question 2

Triangle ABC is a right triangle.

Revolt · Accepted Answer

They are complementary.

Question 3

Rectangle QRST is shown. Angle QRT is congruent to angle STR, and angle STR is complementary to angle QTR.

Revolt · Accepted Answer

They are complementary.

Question 4

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

Revolt · Accepted Answer

40°

Question 5

Lines DE and AB intersect at point C.

Revolt · Accepted Answer

25

Question 6

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 7

Which statements are true about the angles in the diagram? Select three options.

Revolt · Accepted Answer

Angle BCE is supplementary to angle ACE.; Angle BCD is supplementary to angle BCE.; Angle BCD is congruent to angle ACE.

Question 8

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

Revolt · Accepted Answer

m1 + m2 = 90°

Question 9

Angle B measures 60°. What is the measure of the angle that is complementary to angle B?

Revolt · Accepted Answer

30°

Complementary and Supplementary Angles Answers