Perimeter of Circle Problems - page 4 of 14
Number of problems found: 280
- Competitor 27141
The competitor runs on a circular track with a radius of 86 m. How many meters will he run three circuits? - Describe 5845
The tower clock has a small hand 1 m long. What path will the tip of the little hand describe in 1 day? - Two gears
The two gears fit together. The larger gear has 32 teeth. The smaller gear has 20 teeth fewer. How many times does turn a smaller gear if the bigger gear turns three times? - Pipeline
How much percent has the pipe cross-section area changed (reduced) if the circular shape is changed to square with the same perimeter? - Centimeters 44711
The length of the circle is 87.92 cm. Calculate the size of the circle diameter. Express the result in centimeters. - Direction 83124
The mining tower's wheel has a diameter of 150 cm. If the wheel turns in the same direction seventy times, how many m will the elevator cage descend? - Treadmill 70904
The runner circled the track three times. If he went around it once more, he would run one kilometer. What is the radius of the treadmill? - Circles
Three circles of radius 30 cm, 28 cm, and 37 cm are mutually tangent. What is the triangle perimeter whose vertices are the circles' centers? - Inscribed circle
A circle is inscribed in the triangle with sides of 13 cm, 14 cm, and 15 cm. What is its radius? - Perimeter of circle
Calculate the circumference of a described circle to the triangle with sides 9,12,15 cm. - Minute-hand
How long will a large (minute) hand travel on the clock for 48 minutes if its length is 56 cm? - 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? - Circumference 62124
The wheel circumference of the truck is 2 meters. The car covered a distance of 20km. How many times did the wheel have to turn? - Determine 58963 The field has the shape of a circle. If he wants to run 800m, Honza has to go around the field 2.5 times. Determine the diameter of the pitch for the whole meter.
- Circumference 9541
What is the area of the round flowerbed, whose circumference is 62.8 m? How many edges does it have? - Perimeter 3573
The carousel wheel has a diameter of 138 meters and has 20 cabins around the perimeter. What circuit does the bike have? - One-third 2872
The cycling racetrack has the shape of a circle with an area of 2 ha. How long will a cyclist drive one-third of a kilometer in a perimeter? - 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? - Math heart
A stylized heart shape is created from a square with a 5 cm long side and two semicircles over its sides. Calculate the area and its circumference. - Sector
The perimeter of a circular sector with an angle 0.7 rad is 53 cm. Determine the radius of the circle from which the sector comes.
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