# Lesson Worksheet: Geometric Concepts Mathematics

In this worksheet, we will practice identifying and defining line segments, straight lines, rays, and types of angles.

**Q1: **

How can the line shown in the figure be represented mathematically?

- A
- B
- C
- D
- E

**Q2: **

How can the ray shown in the figure be represented mathematically?

- A
- B
- C
- D
- E

**Q3: **

Which of the following is represented by ?

- A
- B
- C
- D
- E

**Q4: **

Which of the following is the definition of an angle?

- AIt is the rotation of a ray from one position to another around the starting point.
- BIt is the rotation of a point from one position to another around a line segment.
- CIt is the measure of the distance between two points.
- DIt is the rotation of a line segment from one position to another around a ray.
- EIt is a quantity that measures how many points two lines intersect at.

**Q5: **

Which of the following is an acute angle?

- A
- B
- C
- D
- E

**Q6: **

Which of the following is an obtuse angle?

- A
- B
- C
- D
- E

**Q7: **

Which of the following is a right angle?

- A
- B
- C
- D
- E

**Q8: **

If is a straight line, find the measure of .

**Q9: **

Find reflex angle .

**Q10: **

Which of the following is the definition of a zero angle?

- AIt is an angle whose measure is , as its sides coincide.
- BIt is an angle whose measure is , as its sides are perpendicular to each other.
- CIt is an angle whose measure is , as its sides are in opposite directions.