The area of a shape of circle problems - page 4 of 18
Number of problems found: 357
- 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. - Circular flowerbed
We split the circular flowerbed with a diameter 8 m by concentric circles to circles and annulus with the same area. Find the radius of the circle. - 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.
- Ace
The length of segment AB is 24 cm, and the points M and N are divided into thirds. Calculate the circumference and area of this shape. - Circle - simple
Calculate the area of a circle in dm² if its circumference is 31.4 cm. - Circle
How big is the area of a circle if its circumference is 51.2 cm? - Percentage 58703
In the park, with an area of 1413 m2, there is a circular fountain with a diameter of 6 m. What percentage of the park does the fountain occupy? - Sprinkler 48513
The rotary sprinkler's spray area is 20 m. What area of land can it irrigate from one location?
- Calculate 6930
Calculate the diameter of a circle whose area S = 78.5 cm². - Described 4187
Find the area of the circle that is a) inscribed, b) described 6.32 cm square. - Circumference 3589
Calculate the circle's radius if the circumference and area are in a 2:5 ratio. - 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? - 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? - Diameters of circles
How many percent of the area of a larger circle is a smaller circle if the smaller circle has a diameter of 120 mm and a larger one has a diameter of 300 mm? - Percentage of waste
In a square plate with a side 75 cm, we cut four same circles. Calculate the percentage of waste. - Quadrant II
Calculate the radius of the quadrant, which area is equal to the area of the circle with radius r = 15 cm. - Pipeline
How much percent has the pipe cross-section area changed (reduced) if the circular shape is changed to square with the same perimeter?
An inscribed circle is in the rhombus. Contact points of touch divide the sides into parts of length 14 mm and 9 mm. Calculate the circle's area.Do you have homework that you need help solving? Ask a question, and we will try to solve it. Solving math problems.
