Perimeter of Circle Problems - page 8 of 15
Number of problems found: 281
- Bed sand volume
The radius of the circular bed is 2 m. Around it is an area filled with sand, the border of which is formed by the sides of a square with a length of 5 m and the bed's perimeter. Calculate the volume of the area covered with sand. - Rectangle - desc circle
The length of the sides of the rectangle is at a ratio of 1:3. The circle's radius circumscribed to the rectangle is 10 cm. Calculate the rectangle's perimeter. - Clock
What distance will pass the end of an 8 cm long hour hand for 15 minutes? - Radians
Convert 90° to radians. Write the result as a multiple of the number π. - Bicycle wheel
A bicycle wheel has a diameter of 60 cm. Approximately how many times does the wheel rotate at a 2.5 km long trip? - Perimeter 59
The perimeter of a circular bed is 36m. Find the length of the part of its perimeter that corresponds to the given central angles: 90°, 45°30', 120°, 15° - Alarm hand distance
The minute hand of the alarm clock is 3.5 cm long. How long will the tip of the hand be described in 1/2 hour? - Minute hand
What is the distance the clock's minute hand travels in 12 minutes if the clock's diameter is 30 cm and the hand extends to a distance of 2 cm from the edge of the clock? - Tree shadow 3
What is the diameter of a tree wrapped in a rope around 3m 9dm 7cm long? How big is its cross-sectional area? - Ferris wheel
Ferris wheel reaches 22 m tall and moves at the speed of 0.5 m/s. During one drive wheel rotates three times. What is the total drive time? - Circle area circumference
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. - Four circles
1) Calculate the circle radius if its area is 400 cm square 2) Calculate the radius of the circle whose circumference is 400 cm. 3) Calculate circle circumference if its area is 400 cm square 4) Calculate the circle's area if the perimeter is 400 cm. - Wheel diameter
What is the diameter of the wheel when it turns 455 times per 1 km? They rounded to the nearest cm. - Arc and segment
Calculate the length of circular arc l, the area of the circular arc S1, and the area of circular segment S2. The circle's radius is 88, and the corresponding angle is (4)/(7) π. - Circle and angle
What is the length of the arc of a circle with radius r = 432 dm with central angle 0.53 rad? - Gear chain length
A chain was stretched between two identical gears with a diameter of 40 cm. The distance between the wheel centers is 1.8 m. Calculate the length of the chain. Procedure and calculation - Clock path
The large hand on the clock is 14 cm long. What path will the tip of the hand describe in 35 minutes? - Perimeter of a circle segment
A circle with a diameter of 30 cm is cut by a chord t = 16 cm. Calculate the perimeter and area of the smaller segment. - Circular track
The circular running track has a radius of 50 m. How many laps does a runner have to do to run 5 km? - Second hand path What path will the end of the second hand make in 24 minutes if it is 5 cm long?
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