Complementary and Supplementary Angles

Question 1

Which angle pairs are supplementary? Check all that apply.

Revolt · Accepted Answer

B: ∠4 and ∠3; C: ∠4 and ∠5; E: ∠3 and ∠6

Question 2

complementary anglescongruent anglesright angles✔ supplementary angles

Revolt · Accepted Answer

D: supplementary angles

Question 3

Which statements are true regarding the diagram?

Revolt · Accepted Answer

A: GNH and HNJ are complementary.; C: KNL and LNM are complementary.; D: mHNK + mKNL = 180°

Question 4

What is the measure of EDH?

Revolt · Accepted Answer

C: 50°

Question 5

What is the measure of CBE?

Revolt · Accepted Answer

B: 72°

Question 6

Let mA = 40°. If B is a complement of A, and C is a supplement of B, find these measures. mB = ° mC = °

Revolt · Accepted Answer

Part 1: 50; Part 2: 130

Question 7

Based on the diagram, which reason justifies this statement?If ∠CEF is complementary to ∠DCF, then∠DCF ≅ ∠FEG.

Revolt · Accepted Answer

A: Complements of the same angle are congruent.

Question 8

By the congruent supplements theorem, what can you conclude?

Revolt · Accepted Answer

B: FBC DBG

Question 9

complementarycongruentright✔ supplementary

Revolt · Accepted Answer

D: supplementary

Question 10

✔ ACD and BCDBCE and ACDECA and ACDDBC and ACE

Revolt · Accepted Answer

A: ACD and BCD

Complementary and Supplementary Angles Answers