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Circles, chords, and arcs

Authored by Wayground Content

Mathematics

11th Grade

Used 32+ times

Circles, chords, and arcs
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15 questions

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1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What is an inscribed angle?

An angle formed by two chords in a circle which have a common endpoint.

An angle formed outside a circle by two tangents.

An angle whose vertex is at the center of the circle.

An angle formed by a secant and a tangent to a circle.

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What is the definition of a semicircle?

A semicircle is a quarter of a circle, formed by a radius and the arc connecting its endpoints.

A semicircle is half of a circle, formed by a diameter and the arc connecting its endpoints.

A semicircle is a full circle divided into two equal parts.

A semicircle is a shape that has three sides and is not a circle.

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Define a chord in a circle.

A line segment whose endpoints lie outside the circle.

A line segment whose endpoints lie on the circle.

A line that touches the circle at one point.

A line that passes through the center of the circle.

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What is the definition of a sector in a circle?

A sector is a region of a circle bounded by two radii and the arc between them.

A sector is the area of a circle divided by its diameter.

A sector is a triangle formed by two chords of a circle.

A sector is the distance around the edge of a circle.

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What is a tangent to a circle?

A line that touches the circle at exactly one point and is perpendicular to the radius at that point.

A line that intersects the circle at two points.

A line that is parallel to the radius of the circle.

A line that passes through the center of the circle.

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

How do you calculate the area of a sector?

A = (θ/360) * πr²

A = 2πr

A = πr²

A = (θ/180) * πr²

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

How is the measure of an arc related to its inscribed angle?

The measure of an arc is equal to the measure of its corresponding inscribed angle.

The measure of an arc is equal to three times the measure of its corresponding inscribed angle.

The measure of an arc is equal to twice the measure of its corresponding inscribed angle.

The measure of an arc is equal to half the measure of its corresponding inscribed angle.

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