Level 2 · Intermediate ← Back to lesson

Angles Inside and Outside Circles: Practice

12 multiple-choice questions, progressively harder.

Level 2 · Intermediate 0 / 12 answered
Question 1 of 12
  1. 1

    Points A,B,C,DA,B,C,D occur in that order around a circle. Chords AC,BDAC,BD cross at interior PP. The degree measures of arcs AB,CDAB,CD are 3x+83x+8 and 5x+125x+12. Angle APBAPB is 74∘74^\circ. Find xx.

    Chords AC and BD cross at interior P; blue arc AB and dashed red arc CD face vertical angles.Chords AC and BD cross at interior P; blue arc AB and dashed red arc CD face vertical angles. Schematic: incidence and point order are exact; use stated measures, not proportions.ABCDPSchematic; use the stated givens.
    Answer choices for question 1
  2. 2

    Two secants from external PP have orders P,A,BP,A,B and P,D,CP,D,C. The circle order is A,B,C,DA,B,C,D. Far arc BCBC excludes A,DA,D; near arc DADA excludes B,CB,C. The far and near arc measures, in degrees, are 8x+308x+30 and 2x+62x+6. Angle APDAPD is 66∘66^\circ. Find xx.

    External P has secant ray orders P,A,B and P,D,C. Blue far arc BC excludes A,D; dashed red near arc DA excludes B,C.External P has secant ray orders P,A,B and P,D,C. Blue far arc BC excludes A,D; dashed red near arc DA excludes B,C. Schematic: incidence and point order are exact; use stated measures, not proportions.ABCDPSchematic; use the stated givens.
    Answer choices for question 2
  3. 3

    Ray PTPT is tangent at TT, and a secant has order P,A,BP,A,B. Near arc TATA excludes BB; far arc BTBT excludes AA. The near arc is 46∘46^\circ, and angle TPATPA is 67∘67^\circ. Find the far arc.

    PT is tangent at T. Secant ray order is P,A,B. Blue near arc TA excludes B; dashed red far arc BT excludes A.PT is tangent at T. Secant ray order is P,A,B. Blue near arc TA excludes B; dashed red far arc BT excludes A. Schematic: incidence and point order are exact; use stated measures, not proportions.PTABSchematic; use the stated givens.
    Answer choices for question 3
  4. 4

    Rays PT,PUPT,PU are tangent to one circle at distinct T,UT,U, with PP strictly outside. The minor arc TUTU measures (4x+15)∘(4x+15)^\circ, and angle TPUTPU measures (3x+18)∘(3x+18)^\circ. Find xx.

    The rays PT and PU are tangent at T and U. Blue minor arc TU faces P; dashed red major arc TRU passes through R.The rays PT and PU are tangent at T and U. Blue minor arc TU faces P; dashed red major arc TRU passes through R. Schematic: incidence and point order are exact; use stated measures, not proportions.TURPSchematic; use the stated givens.
    Answer choices for question 4
  5. 5

    Points A,B,C,DA,B,C,D occur in that order around a circle. Chords AC,BDAC,BD cross at interior PP. Angle APBAPB is 114∘114^\circ, and consecutive arcs AB,BCAB,BC are 95∘,70∘95^\circ,70^\circ. Find m∠BPCm\angle BPC.

    Chords AC and BD cross at interior P; blue arc AB and dashed red arc CD face vertical angles.Chords AC and BD cross at interior P; blue arc AB and dashed red arc CD face vertical angles. Schematic: incidence and point order are exact; use stated measures, not proportions.ABCDPSchematic; use the stated givens.
    Answer choices for question 5
  6. 6

    Two secants from external PP have orders P,A,BP,A,B and P,D,CP,D,C. The circle order is A,B,C,DA,B,C,D. Far arc BCBC excludes A,DA,D; near arc DADA excludes B,CB,C. The far arc is 231∘231^\circ, and the near arc is 49∘49^\circ. Find m∠APDm\angle APD.

    External P has secant ray orders P,A,B and P,D,C. Blue far arc BC excludes A,D; dashed red near arc DA excludes B,C.External P has secant ray orders P,A,B and P,D,C. Blue far arc BC excludes A,D; dashed red near arc DA excludes B,C. Schematic: incidence and point order are exact; use stated measures, not proportions.ABCDPSchematic; use the stated givens.
    Answer choices for question 6
  7. 7

    Ray PTPT is tangent at TT, and a secant has order P,A,BP,A,B. Near arc TATA excludes BB; far arc BTBT excludes AA. The near arc is 38∘38^\circ, and angle TPATPA is 92∘92^\circ. Find the arc ABAB excluding TT.

    PT is tangent at T. Secant ray order is P,A,B. Blue near arc TA excludes B; dashed red far arc BT excludes A.PT is tangent at T. Secant ray order is P,A,B. Blue near arc TA excludes B; dashed red far arc BT excludes A. Schematic: incidence and point order are exact; use stated measures, not proportions.PTABSchematic; use the stated givens.
    Answer choices for question 7
  8. 8

    Rays PT,PUPT,PU are tangent to one circle at distinct T,UT,U, with PP strictly outside. The minor arc TUTU measures (5x−10)∘(5x-10)^\circ, and angle TPUTPU measures (2x+15)∘(2x+15)^\circ. Find the major arc from TT to UU.

    The rays PT and PU are tangent at T and U. Blue minor arc TU faces P; dashed red major arc TRU passes through R.The rays PT and PU are tangent at T and U. Blue minor arc TU faces P; dashed red major arc TRU passes through R. Schematic: incidence and point order are exact; use stated measures, not proportions.TURPSchematic; use the stated givens.
    Answer choices for question 8
  9. 9

    Points A,B,C,DA,B,C,D occur in that order around a circle. Chords AC,BDAC,BD cross at interior PP. Consecutive arcs AB,CDAB,CD measure 86∘,124∘86^\circ,124^\circ. Angle BPCBPC measures (3x+9)∘(3x+9)^\circ. Find xx.

    Chords AC and BD cross at interior P; blue arc AB and dashed red arc CD face vertical angles.Chords AC and BD cross at interior P; blue arc AB and dashed red arc CD face vertical angles. Schematic: incidence and point order are exact; use stated measures, not proportions.ABCDPSchematic; use the stated givens.
    Answer choices for question 9
  10. 10

    Two secants from external PP have orders P,A,BP,A,B and P,D,CP,D,C. The circle order is A,B,C,DA,B,C,D. Far arc BCBC excludes A,DA,D; near arc DADA excludes B,CB,C. The far arc is 186∘186^\circ and the near arc is 54∘54^\circ. Find the exterior angle BDCBDC of triangle PBDPBD.

    External P has secant ray orders P,A,B and P,D,C. Blue far arc BC excludes A,D; dashed red near arc DA excludes B,C. Dotted chord BD supplies a triangle.External P has secant ray orders P,A,B and P,D,C. Blue far arc BC excludes A,D; dashed red near arc DA excludes B,C. Dotted chord BD supplies a triangle. Schematic: incidence and point order are exact; use stated measures, not proportions.ABCDPSchematic; use the stated givens.
    Answer choices for question 10
  11. 11

    Ray PTPT is tangent at TT, and a secant has order P,A,BP,A,B. Near arc TATA excludes BB; far arc BTBT excludes AA. The near and far arcs measure 72∘72^\circ and 188∘188^\circ. Point YY lies on the secant line with order Y,P,A,BY,P,A,B. Find m∠TPYm\angle TPY.

    Answer choices for question 11
  12. 12

    Points A,B,C,DA,B,C,D occur in that order around a circle. Chords AC,BDAC,BD cross at interior PP. Angle APBAPB is 98∘98^\circ, and consecutive arc BCBC is 84∘84^\circ. Find consecutive arc DADA.

    Chords AC and BD cross at interior P; blue arc AB and dashed red arc CD face vertical angles.Chords AC and BD cross at interior P; blue arc AB and dashed red arc CD face vertical angles. Schematic: incidence and point order are exact; use stated measures, not proportions.ABCDPSchematic; use the stated givens.
    Answer choices for question 12