1.
Which of the following is a false statement? -> A diameter of a circle is also a chord of the same circle.
True
False

2.
⊙O has a radius of 2 cm. What is the length of the longest chord of ⊙O you can possibly draw? -> 4 cm
True
False

3.
In the figure below, AC and BD are diameters of ⊙O . AB must be congruent to what other segment?

-> CD
True
False

4.
An angle is inscribed in a circle and intercepts an arc with measure 78°. What is the measure of the inscribed angle? -> 39°
True
False

5.
In the figure below, points A , B , and C are on ⊙O . Which of the following must be true?

-> m∠AOB = 2 × m∠ACB
True
False

6.
In the figure below, points A , B , and C are on the circle and AB = BC = CA . What is the measure of arc AB ?

-> 120°
True
False

7.
In the figure below, points A , B , and C are on the circle and ∠ACB is a right angle. Which of the following statements must be true?

-> AC > AB
True
False

8.
Which of the following measures cannot be the measure of an inscribed angle? -> 180°
True
False

9.
An inscribed angle has a measure of 45°. What is the measure of the arc it intercepts? -> 180°
True
False

10.
An inscribed angle has a measure of 58°. What is the measure of the arc it intercepts? -> 116°
True
False