Arcs, Inscribed and Central Angles

Arcs, Inscribed and Central Angles

Assessment

Flashcard

Mathematics

10th 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 an arc in a circle?

Back

An arc is a portion of the circumference of a circle, defined by two endpoints on the circle.

2.

FLASHCARD QUESTION

Front

Define a central angle.

Back

A central angle is an angle whose vertex is at the center of the circle and whose sides (rays) extend to the circumference.

3.

FLASHCARD QUESTION

Front

What is an inscribed angle?

Back

An inscribed angle is an angle formed by two chords in a circle which have a common endpoint. The vertex of the angle is on the circle.

4.

FLASHCARD QUESTION

Front

How do you calculate the measure of an arc?

Back

The measure of an arc is equal to the measure of the central angle that subtends the arc.

5.

FLASHCARD QUESTION

Front

If the measure of arc ABC is 210°, what is the measure of the inscribed angle ACB?

Back

The measure of the inscribed angle ACB is half the measure of the arc ABC, so it is 105°.

6.

FLASHCARD QUESTION

Front

What is the relationship between a central angle and its intercepted arc?

Back

The measure of a central angle is equal to the measure of its intercepted arc.

7.

FLASHCARD QUESTION

Front

How do you find the measure of an inscribed angle?

Back

The measure of an inscribed angle is half the measure of the arc that it intercepts.

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