WU:  Angles of a circle

WU: Angles of a circle

Assessment

Flashcard

Mathematics

10th - 12th Grade

Hard

CCSS
HSG.C.A.2

Standards-aligned

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15 questions

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1.

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.

2.

FLASHCARD QUESTION

Front

What is the relationship between the angles formed by two intersecting chords in a circle?

Back

The measure of the angle formed is equal to half the sum of the measures of the arcs intercepted by the angle and its vertical angle.

Tags

CCSS.HSG.C.A.2

3.

FLASHCARD QUESTION

Front

How do you calculate the measure of an angle formed by two chords that intersect inside a circle?

Back

The measure of the angle is equal to half the sum of the measures of the arcs intercepted by the angle.

Tags

CCSS.HSG.C.A.2

4.

FLASHCARD QUESTION

Front

What is the formula to find the measure of an angle formed by a tangent and a chord?

Back

The measure of the angle is equal to half the measure of the intercepted arc.

Tags

CCSS.HSG.C.A.2

5.

FLASHCARD QUESTION

Front

What is the measure of an angle formed by two secants that intersect outside a circle?

Back

The measure of the angle is equal to half the difference of the measures of the intercepted arcs.

Tags

CCSS.HSG.C.A.2

6.

FLASHCARD QUESTION

Front

If two chords intersect at point P inside a circle, and the measures of the arcs are 140° and 66°, how do you find the angle at P?

Back

Use the formula: m∠P = 1/2(140 + 66).

Tags

CCSS.HSG.C.A.2

7.

FLASHCARD QUESTION

Front

What is the measure of an angle formed by two tangents drawn from a point outside the circle?

Back

The measure of the angle is equal to half the difference of the measures of the intercepted arcs.

Tags

CCSS.HSG.C.A.2

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