Circles Chord

What is the measure of ∠PTQ?

• 100°

• 140°

• 180°

• 120°

A ____ is a line, ray, or segment that intersects a circle at two points.

• Tangent

• Secant

• Radius

• Arc

An angle is a(n) ______ if the vertex is on a circle and the sides of the angle are shords of the circle.

• right angle

• acute angle

• inscribed angle

• intercepted angle

Find the value of x.

• 15

• 13

• 3

• 6

What is x?

• 15

• 23

• 2

• 92

Find the radius r

• 2

• 3

• 4

• 5

A(n) _____ to a circle is a line, ray or segment in the plane of the circle that intersects the circle in exactly one point.

• tangent

• secant

• radius

• arc

Use chords to solve for x

• x = 35^o

• x = 50^o

• x = 70^o

• x = 140^o

Use chords to solve for x

• x = 3 cm

• x = 4 cm

• x = 5 cm

• x = 6 cm

In  a circle, if a radius or diameter is perpendicular to a chord, then it____ the chord and its arc.

• equals

• bisects

• arcs

• circles