The perimeter of circle problems - page 7 of 14
Number of problems found: 274
- Nine-gon
Calculate the perimeter of a regular nonagon (9-gon) inscribed in a circle with a radius 18 cm. - Clocks
How long does the track travel the second hand of a clock in 30 hours, which is 4 cm long? - Triangle in circle
The vertices of the triangle ABC lie on a circle with a radius 3, which is divided into three parts in the ratio 4:4:4. Calculate the circumference of the triangle ABC. - 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?
- Half-circles 81731
A skier skis down a black slope. He makes a total of 31 half-circles while going down the hill. The radius of one semicircle is 4m. What distance did he travel? - Motorcyclist 38781
The front wheel of the motorcycle turned 800 times while riding. What distance did the motorcyclist walk if the diameter of the front wheel was 50 cm? - Circumference 20933
Calculates the circumference of a circle if its area is S = 2119.5 cm². - Circumference 6651
Calculate the circumference of a circle if its area is 706.5 cm² - Circumscribed 3132
The right triangle has squares in the ratio of 5:12, and the circumscribed circle diameter is 26 cm. Determine its perimeter.
- Decagon
Calculate the area and circumference of the regular decagon when its radius of a circle circumscribing is R = 1m - 30-gon
The radius of the inscribed circle is 15cm at a regular 30-gon. Find the side length a, circle radius R, circumference, and area. - Coin
How many 20-cent coins must be put in a row so that the next 20-cent coins after them (above) are rolled on its axis? - 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?
- Describes 55223
The minute hand is 30 cm long. The hour hand is half as short as the minute hand. How big a track describes its endpoint in a week. - Circumference 40401
Calculate the diameter of a circle whose area in cm² and the circumference in cm are expressed by the same number. - Calculate 16843
The diameter of the seed drill wheel is 90 cm, and the working width is 240 cm. Calculate the field area if the wheel turns 200x. - Describe 5247
The large hand on the clock is 14 cm long. What path will the tip of the hand describe in 35 minutes? - 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.
The bike wheel has a radius of 30cm. How often does it turn if we go on a 471m bike?Do you have unsolved problem that you need help? Ask a question, and we will try to solve it. Solving math problems.
