Geometry Chapter 10 10-1 to 10-3 Arcs and Chords

Front

In circle A, chord BC=14. Find BD.

Back

7

Front

Solve for x: If the measure of angle A is 2x + 5 and angle B is 3x - 10, what is x?

Back

11.5

Front

A ____ angle is an angle whose vertex is at the center of a circle.

Back

central

Front

Find the value of x: If the measure of angle C is 3x + 2 and angle D is 5x - 4, what is x?

Back

11

Front

Find x: If the length of chord EF is 10 and the distance from the center to the chord is 6, what is x?

Back

10

Front

What is the definition of a chord in a circle?

Back

A chord is a line segment with both endpoints on the circle.

Front

What is the relationship between the radius and a chord in a circle?

Back

The perpendicular from the center of the circle to a chord bisects the chord.

Front

If the radius of a circle is 10, what is the maximum length of a chord?

Back

20

Front

What is the formula for the length of an arc?

Back

Length of arc = (θ/360) * 2πr, where θ is the central angle in degrees.

Front

What is the definition of a central angle?

Back

A central angle is an angle whose vertex is at the center of the circle.