10-3 Arcs & Chords
Flashcard
•
Mathematics
•
8th - 10th Grade
•
Practice Problem
•
Hard
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the relationship between a radius or diameter that is perpendicular to a chord in a circle?
Back
It bisects the chord and its arc.
Tags
CCSS.HSG.C.A.2
2.
FLASHCARD QUESTION
Front
If two chords in a circle are the same distance from the center, what can be said about them?
Back
The chords are congruent, the arc measures are congruent, and the central angles are congruent.
Tags
CCSS.HSG.C.A.2
3.
FLASHCARD QUESTION
Front
Find the value of x if the chord lengths are equal and the distance from the center is the same.
Back
x = 10
Tags
CCSS.HSG.C.A.2
4.
FLASHCARD QUESTION
Front
What is the definition of a chord in a circle?
Back
A chord is a line segment with both endpoints on the circle.
5.
FLASHCARD QUESTION
Front
What is the definition of an arc in a circle?
Back
An arc is a portion of the circumference of a circle.
Tags
CCSS.HSG.C.B.5
6.
FLASHCARD QUESTION
Front
If the length of a chord is 16 and the distance from the center is 8, what is the radius of the circle?
Back
The radius is 10.
Tags
CCSS.HSG.C.A.2
7.
FLASHCARD QUESTION
Front
What is the formula to find the length of a chord given the radius and the angle subtended at the center?
Back
Length of chord = 2 * r * sin(θ/2), where r is the radius and θ is the angle in radians.
Tags
CCSS.HSG.C.A.2
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