Segments Tangents Chords and Secants Angles

What is the formula to use when solving for a segment length of intersecting chords in a circle?

• ab=cd

• a(a+b)=c(c+d)

• a+b=c+d

What is the formula to use when solving for an exterior angle formed by 2 exterior intersecting secants, an exterior intersecting secant and tangent, or 2 exterior intersecting tangents of a circle?

• 2(Major Arc + Minor Arc)

• Major Arc - Minor Arc

If 2 segments from the same external point are tangent to a circle, then they are_.

• Supplementary

• Congruent

• Complimentary

What is the formula to use when solving for arcs/angles in circles with intersecting chords?

If a quadrilateral is inscribed in a circle, the opposite angles are

• Supplementary

• Congruent

• Complimentary

What is this?

• Chord

• Diameter

• Secant

• Radius

What is this?

• Secant

• Chord

• Tangent

• Diameter

What is this?

• Tangent

• Point of tangency

• Diameter

• Secant

Line m is tangent to ⒸQ if and only if m is perpendicular to QP.

• Tangent Line to Circle Theorem

• External Tangent Congruent Theorem

• Point of Tangent

• Internal Tangent Congruent Theorem

If SR and ST are tangent segments, then SR = ST.

• External Tangent Congruent Theorem

• Internal Tangent Congruent Theorem

• Tangent Line to Circle Theorem

• Point of Tangency