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TANGENTS. ARCS, CHORDS, & CENTRAL ANGLES. INSCRIBED ANGLES. INTERIOR & EXTERIOR ANGLES. LENGTHS OF SEGMENTS. FINAL GEOPARDY!. TANGENTS $100. If and AB = 8, then find length of AC to the nearest tenth. AC = 11.3. TANGENTS $200.
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ARCS, CHORDS, & CENTRAL ANGLES
INSCRIBED ANGLES
INTERIOR & EXTERIOR ANGLES
LENGTHS OF SEGMENTS
TANGENTS $100 If and AB = 8, then find length of AC to the nearest tenth. AC = 11.3
TANGENTS $200 Name a pair of triangles that are congruent and name all postulates that justify this conclusion. ΔAMT =ΔHMT by SSS, SAS, or HL
TANGENTS $300 Given that Calculate the following angles: Each angle is 75°
TANGENTS $400 Draw all possible common tangents of the two circles. Identify each tangent as common internal tangent or a common external tangent. Two common external tangents, one common internal tangent.
TANGENTS $500 Given CD = 9 and DA = 8, find the length BC. BC = 15
ARCS, CHORDS, & CENTRAL ANGLES $100 List the two important differences between a minor arc and a major arc. Minor arcs are less than 180° whereas major arcs are greater than 180°. Minor arcs are named with two points, major arcs are named with three points.
ARCS, CHORDS, & CENTRAL ANGLES $200 Give the ratio of a central angle to the arc it creates. 1 : 1
ARCS, CHORDS, & CENTRAL ANGLES $300 Find the measure of the indicated arc. minor arc AB = _______ major arc BAD = _______ minor arc AC = _______ semicircle ABD = _______ major arc CDA = _______ major arc CDB = _______ 50° 230° 130° 180° 230° 280°
ARCS, CHORDS, & CENTRAL ANGLES $400 Given Find the length of XY to the nearest tenth. XY = 18.8
ARCS, CHORDS, & CENTRAL ANGLES $500 Given Find the length of RT. RT = 30
INSCRIBED ANGLES $100 Give the ratio of an inscribed angle to the arc it intercepts. 1 : 2
INSCRIBED ANGLES $200 Find the values of x and y. x = 76°, y = 76°
INSCRIBED ANGLES $300 Find the values of x and y. x = 95°, y = 70°
INSCRIBED ANGLES $400 Find the values of x and y. x = 120°, y = 60°
INSCRIBED ANGLES $500 Find the values of x and y. x = 70°, y = 70°
INTERIOR & EXTERIOR ANGLES $100 Provide the general formulas used to calculate the measure of an interior angle and the measure of an exterior angle. Interior Angle = (arc + arc)/2 Exterior Angle = |arc – arc|/2
INTERIOR & EXTERIOR ANGLES $200 Find the measure of angle 2 to the nearest tenth. Angle 2 =137.5 °
INTERIOR & EXTERIOR ANGLES $300 Find the measure of angle 3. Angle 3 = 40°
INTERIOR & EXTERIOR ANGLES $400 Find the measure of arc x. x = 130° or 10°
INTERIOR & EXTERIOR ANGLES $500 Given that arc CT = 80º and , find the measure of arc BT. arc BT = 10° or 150°
LENGTHS OF SEGMENTS $100 Find x. x = 4
LENGTHS OF SEGMENTS $200 Find x. x = 4
LENGTHS OF SEGMENTS $300 Find x. x = 4
LENGTHS OF SEGMENTS $400 Find x. x = 4
LENGTHS OF SEGMENTS $500 Find x. x = 6
FINAL JEOPARDY!
TYPES OF ANGLES IN CIRCLES
FINAL JEOPARDY! Classify each numbered angle (#1-10) as central, inscribed, interior, or exterior.
FINAL JEOPARDY! Angle 1 is a central angle. Angle 2 is an inscribed angle. Angle 3 is an inscribed angle. Angle 4 is an inscribed angle. Angle 5 is an interior angle. Angle 6 is an interior angle. Angle 7 is an exterior angle. Angle 8 is an interior angle. Angle 9 is an inscribed angle. Angle 10 is an inscribed angle.