Area of Circle Problems - page 3 of 20
Number of problems found: 383
- Perimeter of the circle
Calculate the perimeter of the circle in dm, whose radius equals the side of the square containing 0.49 dm². - Quatrefoil
Calculate the quatrefoil area, inscribed in a square with a side of 6 cm. - Circle - easy 2
The circle has a radius of 6 cm. Calculate its diameter, perimeter, and area: - CD disc
A compact disc has a diameter of 11.8 cm. What is its surface area in square centimeters? - Circumference 46181
Calculate the area of a circle that has a circumference of 314 cm. - Flowerbed 2801
A footpath 50 cm wide circles the circular flowerbed, with a diameter of 3.6 m. Calculate the footpath area. - Circumference of a circle
Calculate the area of a circle if its circumference is 21.98 dm. Express the result in square decimetres. - Pipe cross section
The pipe has an outside diameter of 1100 mm, and the pipe wall is 100 mm thick. Calculate the cross-section of this pipe. - Annulus
Two concentric circles form an annulus with a width of 10 cm. The radius of the smaller circle is 20 cm. Calculate the area of the annulus. - Calculate 25621
Calculate the area of a regular hexagon inscribed in a circle with a radius r = 7 cm. - Radius
Find the radius of the circle with area S = 200 cm². - Inscribed rectangle
The circle area is 231. Determine the area of the inscribed rectangle with one side 13 long. - Silo
The outer perimeter of the silo is 10 m. The concrete wall is 13 cm thick. What is the diameter and area of the inside floor of the silo? - Circle
How big is the area of a circle if its circumference is 51.2 cm? - Sprinkler 48513
The rotary sprinkler's spray area is 20 m. What area of land can it irrigate from one location? - Inscribed 7018
The dragon has the shape of a regular hexagon inscribed in a circle with a radius of 20 cm. What is the area of the dragon? - Circumference 3589
Calculate the circle's radius if the circumference and area are in a 2:5 ratio. - Diameter 2949
What is the diameter of a circle with an area of 35 cm square? - Dodecagon
Find the area of a regular dodecagon (n=12) if the radius of the circumscribed circle is 5 cm. - Cutting square
We cut the circle with the highest possible diameter from a square with a side of 30 cm. How many percent of the square area is this circle?
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