Practice problems of the area of a circle
Number of problems found: 335
- Circular garden 2
What is the area of the circular garden if the diameter of the circular garden is 4 meters? - The radius 2
The radius of a circle is increased by 5%. What is the percentage increase in their circumference area? - Pizza diameter
If an 18-inch pizza costs $16.99 and is cut into 12 slices, what is the cost per square inch? - The minute
The minute hand of a clock is 6 cm long. Find the area it sweeps between 2:05 PM and 2:40 PM. - ET inscribed circle
An equilateral triangle has been inscribed in a circle with a radius of 4 cm . Find the area of the shaded region. - Merly
Merly prepared the table for lunch. She put a place mat that measures 5 dm long and 3 dm wide; she placed a plate on it with a diameter of 3 dm. How many mats can be seen on the table? - A goat 2
As shown, a goat is tied at one corner of a rectangular shed by a 5-meter-long rope. The shed measures 3 m by 2 m and is surrounded by grassland. What is the area of the grassland in which the goat can graze? Give your answer to the nearest m². - A cone 3
A cone has a diameter of x cm and a slant height of y cm. A square pyramid has a base side length of x cm and a slant height of y cm. Which has the greater surface area? Explain. - Geometric Solid
A concrete pipe is 1.0 m long. Its inside and outside diameters are 60 cm and 75 cm, respectively. What is the volume of the concrete (cubic meters) needed to make 25 pcs of pipe? - Circle area
Calculate the circle area with a radius of 1.2 m. - Calculate
Calculate the area of a circle whose radius is 5 dm. - Circle simple
The circumference of a circle is 6.28. What is the area of the circle? - Calculate 83203
Calculate the area of a circle whose radius is 9m. (in square meters) - Perimeter to area
Calculate the area of a circle with a perimeter of 15 meters. - Diameter to area
Find the area of a circle whose diameter is 26cm. - Annulus
The radius of the larger circle is 8cm, and the radius of the smaller is 5cm. Calculate the area of the annulus. - 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: - Squaring the Circle
Find the side of the square with the same area as the circle of radius 18. - Circumference 29361
What is the circumference and area of the circle if r = 18cm
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