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Arc Length/ Sector Area/ Radians

Quiz by Felicia O'Donnell

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14 questions
Show answers
  • Q1
    What is the formula for Sector Area in Degrees?
    (central angle / 360)*π*r²
    central angle *r
    central angle*(r²/2)
    (central angle / 360)*2*π*r
    60s
  • Q2
    What is the formula for Arc Length in Degrees?
    central angle *r
    central angle*(r²/2)
    (central angle / 360)*2*π*r
    (central angle / 360)*π*r²
    60s
  • Q3
    What is the formula for Arc Length in Radians?
    (central angle / 360)*2*π*r
    central angle*(r²/2)
    central angle *r
    (central angle / 360)*π*r²
    60s
  • Q4
    What is the formula for Sector Area in Radians?
    central angle*(r²/2)
    (central angle / 360)*2*π*r
    central angle *r
    (central angle / 360)*π*r²
    60s
  • Q5
    Convert 150° to radians.
    5π/6
    10π/12
    10π/6
    5π/12
    300s
  • Q6
    Convert 280° to radians.
    28π/9
    7π/9
    9π/7
    14π/9
    300s
  • Q7
    Convert 5π/3 radians to degrees.
    300°
    600°
    75°
    150°
    300s
  • Q8
    Convert π/9 radians to degrees.
    20°
    40°
    10°
    80°
    300s
  • Q9
    Solve for the length of arc NM.
    Question Image
    22
    11
    18
    33
    300s
  • Q10
    Solve for the area of this sector.
    Question Image
    25.6
    20.1
    12.8
    40.2
    300s
  • Q11
    Solve for the area of this sector.
    Question Image
    29.3
    6.9
    4.6
    13.8
    300s
  • Q12
    Solve for the length or Arc NL.
    Question Image
    5
    15.7
    2
    6.3
    300s
  • Q13
    Solve for the length of Arc LNM.
    Question Image
    5.7
    11.3
    5.4
    16.96
    300s
  • Q14
    Solve for the area of this sector.
    Question Image
    4.9
    4.4
    30.8
    15.4
    300s

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