Circle - 6th grade (11y) - math problems
Number of problems found: 71
- Circle simple
Circumference of a circle is 6.28. What is the area of the circle?
- The diameter
The diameter of a circle is 4 feet. What is the circle's circumference?
- Circle from string
Martin has a long 628 mm string . He makes circle from it. Calculate the radius of the circle.
- Circle area
Calculate the circle area with a radius of 1.2 m.
- Circle - easy 2
The circle has a radius 6 cm. Calculate:
- Square and circle
Into square is inscribed circle with diameter 10 cm.What is difference between circumference square and circle?
- Circle - simple
The circumference of a circle is 198 mm. How long in mm is its diameter?
How big is area of circle if its circumference is 80.6 cm?
- Radius of the circle
Calculate the radius of the circle whose length is 107 cm larger than its diameter
Calculate the area of a circle whose radius is 5 dm.
- 22/7 circle
Calculate approximately area of a circle with radius 20 cm. When calculating π use 22/7.
- Perimeter to area
Calculate the area of a circle with the perimeter 15 meters.
- Diameter to area
Find the area of a circle whose diameter is 26cm.
Find the radius of the circle with area S = 200 cm².
Perimeter of regular hexagon is 113. Calculate its circumradius (radius of circumscribed circle).
- Length of the arc
What is the length of the arc of a circle k (S, r=68mm), which belongs to a central angle of 78°?
The radius of the larger circle is 8cm, the radius of smaller is 5cm. Calculate the contents of the annulus.
- Central angle
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
Calculate the radius of the quadrant, which area is equal to area of circle with radius r = 15 cm.
- Quarter circular
The wire that is hooked around the perimeter of quarter-circular arc has length 3π+12. Determine the radius of circle arc.
Circle Problems. Examples for 6th grade (the sixth graders).