Circle - practice for 11 year olds - page 2 of 7
Number of problems found: 138
- Perimeter 3573
The carousel wheel has a diameter of 138 meters and has 20 cabins around the perimeter. What circuit does the bike have? - Bicycle wheel
The bicycle wheel diameter is 62 cm. How many times turns the bicycle on the road 1 km long? - Sprinkler 36153
The rotary sprinkler has a spray of 18m. How much land can it irrigate from one place? - Two circles
Two circles with a radius of 4 cm and 3 cm have a center distance of 0.5cm. How many common points have these circles? - Attended 7452
The sports club at school is attended by boys and three fewer girls than boys. How many girls attend the circle? - The tire
The tire of a car has a radius of 10.5 inches. How many revolutions does the tire need to make for the car to travel 13,200 inches? Round to the nearest whole revolution. - Radius of the circle
Calculate the radius of the circle whose length is 107 cm larger than its diameter - Intersections
How many intersections have circles with radius 16 mm and 15 mm if the distance of their centers is 16 mm? - 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? - Velocipede
The front wheel of the velocipede from the year 1880 had a diameter 1.8 m. Suppose the front wheel is turned again once, then the rear wheel six times. What was the diameter of the rear wheel? - Calculate 7743
The wire is wound into several turns. The thickness of 10 threads is 1 cm. Calculate the wire thickness. - Calculate 45931
Calculate the area of a circle with a radius of 72.9 cm. Specify it in cm2, and enter only a numeric value in response. - Calculate 12061
The area of the two circles is in a 4:9 ratio. The larger circle has a diameter of 18 cm. Calculate the radius of the smaller circle. - 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 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. )
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