Practice problems of the perimeter of a circle - page 2 of 14
Number of problems found: 268
- The equator
Calculate the length of the equator. Calculate a radius of 6378 km. Round to the nearest thousand. - Procedure and calculation - Circle r,D
Calculate the diameter and radius of the circle if it has a length 26.59 cm. - Circle - simple
The circumference of a circle is 683 mm. How long in mm is its diameter? - Radius
Determine the circle's radius if its perimeter and area are the same numbers.
- Circumference - a simple
What is the ratio of the circumference of any circle and its diameter? Write the result as a real number rounded to 2 decimal places. - 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? - Clock hands
The second hand has a length of 1.5 cm. How long does the endpoint of this hand travel in one day? - 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. - Perimeter 3573
The carousel wheel has a diameter of 138 meters and has 20 cabins around the perimeter. What circuit does the bike have?
- Area to perimeter
Calculate the circle circumference if its area is 254.34cm2 - Bicycle wheel
The bicycle wheel diameter is 62 cm. How many times turns the bicycle on the road 1 km long? - Mine
The wheel in the traction tower has a diameter of 4 m. How many meters will perform an elevator cabin if the wheel rotates in the same direction 89 times? - 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. - Odometer
The odometer is driven by the wheel's rotation, whose diameter is 65 cm. After how many rotations the wheel turns counter to the next kilometer?
- The tire
The tire of a car has a radius of 10.5 inches. How many revolutions does the tire need to make for the car to travel 13,200 inches? Round to the nearest whole revolution. - Radius of the circle
Calculate the radius of the circle whose length is 107 cm larger than its diameter - Circumference 26251
Calculate the circumference of a pizza with a diameter of 62 cm. How big is the plate on which it is placed when it covers it? - Velocipede
The front wheel of the velocipede from the year 1880 had a diameter 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? - Wire D
Wire length 1 m is bent to form a semicircle circuit (including the diameter). Determine the radius of the semicircle.
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