Circle - 6th grade (11y) - math problems

Number of problems found: 71

  • Circle simple
    circles_3 Circumference of a circle is 6.28. What is the area of the circle?
  • The diameter
    circles The diameter of a circle is 4 feet. What is the circle's circumference?
  • Circle from string
    motuz Martin has a long 628 mm string . He makes circle from it. Calculate the radius of the circle.
  • Circle area
    circle3 Calculate the circle area with a radius of 1.2 m.
  • Circle - easy 2
    circle_3 The circle has a radius 6 cm. Calculate:
  • Square and circle
    circle_square Into square is inscribed circle with diameter 10 cm.What is difference between circumference square and circle?
  • Circle - simple
    kruh The circumference of a circle is 198 mm. How long in mm is its diameter?
  • Circle
    circle How big is area of circle if its circumference is 80.6 cm?
  • Radius of the circle
    circle_axes Calculate the radius of the circle whose length is 107 cm larger than its diameter
  • Calculate
    circle_packing_1 Calculate the area of a circle whose radius is 5 dm.
  • 22/7 circle
    red_circle Calculate approximately area of a circle with radius 20 cm. When calculating π use 22/7.
  • Perimeter to area
    circles_1 Calculate the area of a circle with the perimeter 15 meters.
  • Diameter to area
    circle_eq_1 Find the area of a circle whose diameter is 26cm.
  • Radius
    circle_axes Find the radius of the circle with area S = 200 cm².
  • 6-gon
    hexagons Perimeter of regular hexagon is 113. Calculate its circumradius (radius of circumscribed circle).
  • Length of the arc
    obluk What is the length of the arc of a circle k (S, r=68mm), which belongs to a central angle of 78°?
  • Annulus
    medzikruzie_1 The radius of the larger circle is 8cm, the radius of smaller is 5cm. Calculate the contents of the annulus.
  • Central angle
    obluk What is the length of the arc of a circle with a diameter of 46 cm, which belongs to a central angle of 30°?
  • Quadrant II
    quartes_circle Calculate the radius of the quadrant, which area is equal to area of circle with radius r = 15 cm.
  • Quarter circular
    quarter_circle The wire that is hooked around the perimeter of quarter-circular arc has length 3π+12. Determine the radius of circle arc.

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Circle Problems. Examples for 6th grade (the sixth graders).