Circle practice problems - page 6 of 50
Number of problems found: 990
- Circle r,D
Calculate the diameter and radius of the circle if it has a length 26.59 cm. - Calculate 17473
Calculate the length of the oval race track, which has two straights of 100 m, and the diameter of the curves is 52 m. - Rotary motion
Find the orbital time, rotational frequency, and angular rate of the second and minute hands on the watch. - Intersections
How many intersections have circles with radius 16 mm and 15 mm if the distance of their centers is 16 mm? - Sprinkler 36153
The rotary sprinkler has a spray of 18m. How much land can it irrigate from one place? - Calculate 7743
The wire is wound into several turns. The thickness of 10 threads is 1 cm. Calculate the wire thickness. - Area of a circle
The circumference of the circle is 150.72 centimeters. Calculate the area of the circle.
- Circle - simple
The circumference of a circle is 683 mm. How long in mm is its diameter? - Odometer
The odometer is driven by the wheel's rotation, which has a diameter of 65 cm. After how many rotations does the wheel turn counter to the next kilometer? - Four-ninths of pupils
Pupils at school choose a circle. A third of them chose athletics, four-ninths of the pupils chose ceramics, and the remaining 12 pupils chose floorball. How many pupils are there in the school? How many signed up for individual circles? - Diameters of circles
How many percent of the area of a larger circle is a smaller circle if the smaller circle has a diameter of 120 mm and a larger one has a diameter of 300 mm? - Tree shadow 3
What is the diameter of a tree wrapped in a rope around 3m 9dm 7cm long? How big is its cross-sectional area? - Magnitudes 80788
The minute hand is three times longer than the second hand. In what ratio are the magnitudes of the velocities of their endpoints? - Circumference 48533
The diameter of the circle is 6.8 cm. Calculate the area of the circle to 1 decimal place. Calculate the circumference of the circle to 1 decimal place. - Circumference 48503
Calculate the circumference of the circle if its radius is 25 cm. Express the result in meters.
- Diameter 6348
How many m did a wheel with a diameter of 22dm pass if it stopped after 30 turns? - Diameter 4111
How many balls with a diameter of 3.25 cm with a mixture in a circle with a diameter of 27 cm? - Round table
The round table has a diameter of 78 cm. A tablecloth should be sewn on it, extending around the table by 10 cm. How many centimeters of ribbons need to be bought for edging? - Velocipede
The front wheel of the velocipede from the year 1880 had a diameter of 1.8 m. Suppose the front wheel is turned again once, then the rear wheel six times. What was the diameter of the rear wheel? - Sprinkler 48513
The rotary sprinkler's spray area is 20 m. What area of land can it irrigate from one location?
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