3. Geometry
Circles — Quiz
Test your understanding of circles with 5 practice questions.
Practice Questions
Question 1
A point P outside a circle has two secant lines PAB and PCD intersecting the circle so that arc AB = 210° and arc CD = 110°. What is the measure of ∠APC?
Question 2
Find the equation of the circle passing through the points (1,2), (4,6), and (6,2).
Question 3
Given the circle equation x^2 + y^2 − 4x + 6y + 4 = 0, what are its center (h,k) and radius r?
Question 4
A sector of a circle has area 6π and arc length 4π. What are the circle’s radius r and central angle θ (in degrees)?
Question 5
In a circle of radius 10, a chord of length 12 subtends a central angle θ. What is the area of the minor segment to one decimal place?