**Q1: **

What is the name of the following shape?

- Atriangle
- Bsquare
- Cstar
- Dcircle
- Eplus

**Q2: **

Are all the radii of a circle equal in length?

- Ayes
- Bno

**Q3: **

Is the diameter the longest chord in a circle?

- Ayes
- Bno

**Q4: **

The length of the radius of a circle is the length of its diameter.

- A equal to
- B twice
- C half

**Q5: **

What is the name for a chord that passes through the center of a circle?

- A the center
- B a radius
- C a diameter

**Q6: **

Which of the following correctly defines a circle?

- AA circle is the set of points in a plane with a single curved side.
- BA circle is the set of points in a plane that does not have any lines of symmetry.
- CA circle is the set of points in a plane with a limited number of sides.
- DA circle is the set of points in a plane that are the same distance from the a given point called the center.
- EA circle is the set of points in a plane that are different distances away from the center.

**Q7: **

In the given figure, which of the following would represent the chord passing through and ?

- A
- B
- C
- D
- E

**Q8: **

Identify all the radii of circle .

- A
- B
- C

**Q9: **

Identify all the radii in the following circle:

- A
- B
- C

**Q10: **

Identify the radii of the circle.

- A
- B
- C
- D

**Q11: **

Identify the diameter of this circle.

- A
- B
- C
- D

**Q12: **

Which segment in this circle is a chord?

- A
- B
- C

**Q13: **

In the following figure, determine all the chord(s) of the circle.

- A
- B
- C

**Q14: **

Given that , find the radius to the circle .

**Q15: **

If the length of diameter of circle is 158 cm, find the radius of the circle.

**Q16: **

Determine the diameter of the circle , given that its radius .

**Q17: **

In the circle , if , find the length of .

**Q18: **

What is the radius of a circle whose diameter is 18?

**Q19: **

What is the diameter of a circle whose radius is 3?

**Q20: **

If the diameters of circles and are 2 cm and 6 cm, respectively, determine the length of .

**Q22: **

Circles and are of radii 11 and 18 and touch internally. Determine .

**Q23: **

Given that and in the two concentric circles shown below, find the length of .

**Q24: **

In the given circle, cm and cm. Determine the lengths of and .

- A ,
- B ,
- C ,
- D cm,

**Q25: **

Suppose , , and . What is the length of ?