Arcs and Chords Worksheet
Grade 10 Geometry worksheet covering definitions, properties, and theorems related to arcs and chords in circles.
Includes
Standards
Topics
Arcs and Chords
Name:
Date:
Score:
Read each question carefully and answer to the best of your ability. Show all your work where applicable.
1. A segment whose endpoints are on a circle is called a:
Radius
Diameter
Chord
Tangent
2. An arc that measures exactly 180 degrees is called a:
Minor arc
Major arc
Semicircle
Concentric arc
3. A(n) is an unbroken part of a circle.
4. Congruent chords subtend arcs.
5. In a circle, if a diameter is perpendicular to a chord, then it the chord and its arc.
6. In the circle below with center O, if chord AB is 10 cm long and the radius is 13 cm, what is the distance from the center O to the chord AB?
7. A chord is always longer than a diameter.
True
False
8. Congruent central angles in the same circle intercept congruent arcs.
True
False
9. A circular clock face has a diameter of 20 inches. A chord connects the 12 and 3 o'clock positions. What is the length of this chord?
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