Circle - practice for 11 year olds - page 4 of 7
Number of problems found: 135
- Diameter 2949
What is the diameter of a circle with an area of 35 cm square? - The star
Find the area of the shaded part of the square with a side of 22 cm. - Circumference 61704
Calculate the area of a circle if its circumference is 21.98 dm. Express the result in square decimetres. - Calculate 83203
Calculate the area of a circle whose radius is 9m. (in square meters) - On a
On a someday, the Sun, Venus, and the Earth are in eclipse, i. E. Venus is between the Sun and the Earth. Venus orbits the Sun in 225 days. In how many years will all three bodies be in alignment again? - Hands
The clock shows 12 hours. After how many minutes will the angle be between the hour and minute hand 90°? Consider the continuous movement of both hands for hours. - Describes 82518
The minute hand describes an angle of 180 degrees in half an hour. In how many minutes does the minute hand cover an angle of 192 degrees? - Minute-hand
How long will a large (minute) hand travel on the clock for 48 minutes if its length is 56 cm? - Minutes 6071
What is the angle of the big hand of the watch in 20 minutes? - Semicircle
Calculate the length of a semicircle with a radius of 6cm. - Circumference 64994
Calculate the volume of the cylinder if the circumference of the base o = 31.4 cm, height v = 6.4 cm - Traveling 5808
The diameter of the wheel is 56cm. How often does it turn in 5 minutes if traveling at 60km / h? - Construction 4574
There are a 1.5 m wide trail around the lake. Dad missed 2,550 cubic meters of concrete on its construction. How much is paid for concrete if one cubic meter costs 52 €? - A bug
A bug was sitting on the tip of a wind turbine blade that was 24 inches long when it started to rotate. The bug held on for five rotations before flying away. How far did the bug travel before it flew off? Exact answer. - Curved surface area CSA
A cylinder 5cm high has a base radius(7/2) cm. Calculate the curved surface area. - Surface and volume
Calculate the surface and volume of a cylinder whose height is 8 dm and the radius of the base circle is 2 dm. - Equilateral 81770
Calculate the area of the circle in which the hole is cut in the shape of an equilateral triangle when the diameter of the circle, d=32mm, and the side of the triangle, a=20.8mm. - Bike wheel
The bike wheel has a radius of 30cm. How often does it turn if we go on a 471m bike? - 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? - Clocks
How long does the track travel the second hand of a clock in 30 hours, which is 4 cm long?
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