Area of Circle Problems - page 5 of 19
Number of problems found: 380
- Circular 36163
The circular park has an area of 31400 m². A trail runs across the center of the park. How long is it? - Magnification 21383
When we increased the circle's radius by 2 cm, its area increased by 40π cm². Determine the radius of the circle before magnification. - Circumference 9541
What is the area of the round flowerbed, whose circumference is 62.8 m? How many edges does it have? - One-third 2872
The cycling racetrack has the shape of a circle with an area of 2 ha. How long will a cyclist drive one-third of a kilometer in a perimeter? - The crane
The construction crane has a 20m long arm. What construction area in ares can it handle from this crane if it rotates around its axis? - Circular segment
Calculate the area of a circular segment if the radius r = 80 cm and the central angle is α = 110°. - Waste
How much of the waste is from a circular plate with a radius of 1 m, from which we cut a square with the highest area? - Inscribed circle
The circle inscribed in a triangle has a radius of 3 cm. Express the area of the triangle using a, b, and c. - Math heart
A stylized heart shape is created from a square with a 5 cm long side and two semicircles over its sides. Calculate the area and its circumference. - Logs
The log has a diameter of 30 cm. What largest beam with a rectangular cross-section can be carved from it? - Described
Calculate the perimeter of the circle described by a triangle with sides 82, 495, 438. - Sprinkler 45721
The rotary sprinkler has a spray of 18m. How much land can it irrigate from one place? - Circumference 6929
Two-thirds of the circumference of the circle is 12π cm long. Calculate the area of the circle. - Rectangles 3579
I need to fill a circle with a diameter of 4900 cm with how many rectangles, 125x60 or 100x50 cm. - Company logo
The company logo consists of a blue circle with a radius of 4 cm and an inscribed white square. What is the area of the blue part of the logo? - Arc
What area of a circle occupied the flowers planted in the arc of a circle with a radius 3 m with a central angle of 45°? - Percentage 66714
They cut a full circle from a square plate with a side of 200 mm. What percentage is waste? - Difference 66354
A circle is inscribed in a square with a side of 12 cm so that it touches all its sides. Calculate the difference between the area of the square and the circle. - Calculate 8325
Calculate the area of a circular section given by an angle of 220 degrees if the circle's radius is 20cm. Round the result to cm2 - Flowerbed 2801
A footpath 50 cm wide circles the circular flowerbed, with a diameter of 3.6 m. Calculate the footpath area.
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