Angles, Tangents, and Secants in Circles

In circle O, the measure of arc AB = 120 and measure of arc BC = 150. Find the measure of angle 2.

• 3

• 5

• 15

• 12

• 13

• Chord
• Secant
• Radius
• Tangent

Find the value of x that ensures the segment that appears tangent, is in fact tangent, to circle C.

• x = 14.4

• x = 8.9

• x = 16

• x = 8

A tangent to a circle is ________________________ to the radius drawn to the point of tangency.

• congruent

• perpendicular

• complementary

• supplementary

Find the value of x.

Given two secants, solve for x.

• 10°

• 20°

• 30°

• 40°

• 61

• 65

• 114

• 130

If two secants or chords intersect in the interior of a circle, then the measure of each angle is____ the sum of its intercepted arcs.

• double

• half

• triple

• equal to

Two tangents that meet at an exterior point of a circle are....?

• Supplementary

• Congruent

• Perpendicular

• Parallel