Arcs and Chords

Arcs and Chords

Assessment

Flashcard

Mathematics

9th - 12th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What is the formula to find the length of a minor arc in a circle?

Back

Length of minor arc = (θ/360) × 2πr, where θ is the angle in degrees and r is the radius.

2.

FLASHCARD QUESTION

Front

In circle O, if the radius is 4 and the measure of minor arc AB is 120 degrees, what is the length of minor arc AB?

Back

8 (using the formula: Length = (120/360) × 2π(4) ≈ 8).

3.

FLASHCARD QUESTION

Front

What do congruent arcs in a circle imply about their corresponding chords?

Back

Congruent arcs have congruent chords.

4.

FLASHCARD QUESTION

Front

If two chords are equidistant from the center of a circle, what can be said about their lengths?

Back

The chords are congruent to each other.

5.

FLASHCARD QUESTION

Front

What is the relationship between the central angle and the length of the arc it subtends?

Back

The length of the arc is directly proportional to the measure of the central angle.

6.

FLASHCARD QUESTION

Front

How do you find the measure of a central angle given the length of the arc and the radius?

Back

θ = (Length of arc / (2πr)) × 360.

7.

FLASHCARD QUESTION

Front

What is the definition of a chord in a circle?

Back

A chord is a line segment whose endpoints lie on the circle.

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