Circle practice problems - page 7 of 50
Number of problems found: 990
- Radius of the circle
Calculate the radius of the circle whose length is 107 cm larger than its diameter - The terrace
Around the round pool with a diameter of 5.5 meters is a wooden terrace with a width of 130 cm. What is the area of the terrace? - Flywheel
The flywheel turns 450 rev/min (RPM). Determine the magnitude of the normal acceleration of the flywheel point, which is 10 cm from the rotation axis. - 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? - Wire D
Wire length 1 m is bent to form a semicircle circuit (including the diameter). Determine the radius of the semicircle. - Area to perimeter
Calculate the circle circumference if its area is 254.34cm2 - Circumference 3589
Calculate the circle's radius if the circumference and area are in a 2:5 ratio.
- Circumference - circles
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. - Premiere 6693
How often does a bike with a 100cm premiere turn on a 24 km long track? - Calculate 3167
The area of the two circles is in a 4:9 ratio. The larger circle has a diameter of 12 cm. Calculate the radius of the smaller circle. - Peripheral 82517
Calculate the peripheral speed of the number on the Wheel of Fortune if the wheel rotates within a period of 0.25 seconds and the number is written 1.5 m from the center of the wheel. - 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? - Acceleration of point
The mass point moves evenly along a circle with a radius of 1.2 m at an angular velocity of 25 rad/s. Determine the frequency, period, and centripetal acceleration! - Revolutions - wheels
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? - Clocks
How long does the track travel the second hand of a clock in 30 hours, which is 4 cm long?
- Climbing 82529
Edo signed up for 3 clubs during the holidays. Tennis, archery, and mountain climbing. Each circle lasted 2 hours a day. He lasted 30 days walking on them. How many hours of circles did he complete in total? - 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? - Centimeters 7406
Circles with radii r1 = 10 centimeters and r2 = 4 cm touch from the outside. What is the distance between their centers? - Wheel
The diameter of the motorcycle wheel is 55 cm. How many times rotates the wheel on the road long 3 km? - Silo
The outer perimeter of the silo is 32 m. The concrete wall is 35 cm thick. What is the diameter and area of the inside floor of the silo?
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