Circles
Test your knowledge of circles — their parts, formulas, and the special lines that intersect them.
Questions cover circumference and area formulas, the relationship between radius and diameter, chords, tangent and secant lines, and inscribed angles.
Circles have their own vocabulary that's easy to mix up — see how well you know it.
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Sample questions3 of 13 shown
Q1
What is the definition of a circle?
Q2
Which formula calculates the circumference of a circle with radius r?
Q3
What is a chord in a circle?
What This Quiz Covers
- Circumference and area formulas
- Radius vs. diameter
- Chords, tangents, and secants
- Inscribed angles
- Arcs, sectors, and segments
- Solving for radius from circumference
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