Practice problems of the perimeter of a circle - page 3 of 14
Number of problems found: 269
- 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? - 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? - 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? - 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? - 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? - Well
A rope with a bucket is fixed on the shaft with the wheel. The shaft has a diameter of 50 cm. How many meters will drop bucket when the wheels turn 15 times? - Centimeters 83289
What is the diameter in centimeters of the wheel of a bicycle if it turns 2000 times on a track 4082 m long - 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. )
- 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 22243
The circumference of the first wheel is 0.5 m larger than the circumference of the second wheel. The first wheel turns on the 36 m track as many times as the second on the 30 m track. Determine the rims of both wheels. - Wheels
A small tractor wheel with a diameter of 60 cm must be rotated eight times to overcome some pathways. How many times must you turn the big tractor wheel with a radius of 60 cm to overcome the same distance? - Motorcycle 5354
The diameter of the motorcycle wheel is 60 cm. How many times does the wheel turn on a track 1,884 km long? - Saw
Imagine that the saw blade with a diameter 40 cm has one tooth-colored with a different color. How long does the tooth's tip describe the path after 15 minutes if the blade is rotated 13365 times?
- Revolutions 83126
The tractor's rear wheel has a diameter of 1.6 m, and the front wheel is 96 cm. What ratio are the numbers of their revolutions? How many times does the front wheel turn, and how many times does the rear wheel turn on a track 1942 m long? - 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? - Equator
Suppose that a tourist went on foot over the Globe equator. How many meters more track made his hat on his head as the shoes on your feet? The radius of the Earth is $R km, and the height of the tourist is $v m. - Circumference 65134
Circle K has a radius of 130 mm, and circle L has a diameter of 50 mm. By how many millimeters is the circumference of circle K greater than the circumference of circle L? Round the result to a whole number. Use the value π= 3.14 in the calculations. - Diameter 3413
The farm provided around 150 fruit trees with a trunk diameter of 2 dm with mesh to protect them from wild animals. The mesh was placed so that it was 9 cm away from the trunk. How many regular meters of mesh was needed?
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Circle practice problems. Perimeter - practice problems.