# Lesson Worksheet: Proving Angle Relationships Mathematics

In this worksheet, we will practice writing proofs involving complementary, supplementary, conjugate, and right angles.

**Q1: **

Which of the following angles forms a straight line when combined with this angle?

- A
- B
- C
- D
- E

**Q2: **

What is the measure of the missing angle?

**Q3: **

What is the measure of the missing angle?

**Q4: **

In the given figure, Osama stated that is an obtuse angle measuring , and Bandar stated that is an acute angle measuring . Determine which of the two is correct without using a protractor.

- AOsama
- BBandar

**Q5: **

Hassan and Faisal are trying to find the missing angle that would make a straight line when combined with the given angle. Hassan says that the angle will be and Faisal says that the angle will be . Who is right?

- AFaisal
- BHassan

**Q6: **

Which of the following angles forms a straight line when combined with this angle?

- A
- B
- C
- D
- E

**Q7: **

What is the measure of the missing angle?

**Q8: **

Are and on the same straight line?

- ANo
- BYes

**Q9: **

While hiking, a group of boy scouts came across a level ground suitable for setting up their tent as shown. If , find .

**Q10: **

Classify the following pair of angles as complementary, supplementary, vertical, or neither.

- Aneither
- Bcomplementary
- Csupplementary
- Dvertical