Circle + length - practice problems
Number of problems found: 275
- Calculate 48493
Calculate the length of the circle if d = 10 cm. - Calculate 2948
Calculate the length of a circle with a diameter of 7 cm. - Determine 21053
Determine the radius of a circle whose length is 21.98 cm - Centimeters 44711
The length of the circle is 87.92 cm. Calculate the size of the circle diameter. Express the result in centimeters. - 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. - Clock hands
The second hand has a length of 1.5 cm. How long does the endpoint of this hand travel in one day? - 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. - Radius of the circle
Calculate the radius of the circle whose length is 107 cm larger than its diameter - Wire D
Wire length 1 m is bent to form a semicircle circuit (including the diameter). Determine the radius of the semicircle. - Calculate 7743
The wire is wound into several turns. The thickness of 10 threads is 1 cm. Calculate the wire thickness. - 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? - 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. - Ferris wheel
Ferris wheel reaches 22 m tall and moves at the speed of 0.5m/s. During one drive wheel rotates three times. What is the total drive time? - Centimeters 7406
Circles with radii r1 = 10 centimeters and r2 = 4 cm touch from the outside. What is the distance between their centers? - Revolutions 82498
The diameter of the bicycle is 66.5 cm. How many meters does it travel after 100 revolutions? (Round the result to units. ) - Washer
The washing machine drum washes at 71 RPM. The washing machine motor pulley has a diameter of 8 cm. What must be the diameter of the drum machine pulley when the motor is at 351 RPM? - Wheel
How many times turns the wheel of a passenger car in one second if the vehicle runs at speed 100 km/h? Wheel diameter is d = 62 cm. - Bracelet 48003
Radka wants to model a round bracelet with a diameter of 8 cm from copper wire. About how much wire does he need to make it if he needs to add 15% of its length to the eyelets? (π = 3.14) - Tractor wheels
The tractor's front wheel has a circumference of 18 dm and the rear 60 dm. We will make a red mark on the lowest point of both wheels. The tractor then starts. At what distance from the start will both marks appear identically at the bottom again?
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