Area of Circle Problems - page 2 of 20
Number of problems found: 388
- Round cake
What is the area of a round cake with a radius of 5cm? - Circle simple
The circumference of a circle is 6.28. What is the area of the circle? - Perimeter to area
Calculate the area of a circle with a perimeter of 15 meters. - Circumference circles
What is the circumference and area of the circle if r = 18cm - Annulus
The radius of the larger circle is 8cm, and the radius of the smaller is 5cm. Calculate the area of the annulus. - Diameter to area
Find the area of the circle whose diameter is 26 cm. - Circle circumference area
Two-thirds of the circumference of the circle is 12π cm long. Calculate the area of the circle. - 22/7 circle
Calculate approximately the area of a circle with a radius 12 cm. When calculating π, use 22/7. - Squaring the Circle
Find the side of the square with the same area as the circle of radius 9. - Cable
The cable consists of 5 strands, each strand consisting of 11 wires with a diameter of d = 0.3 mm. Calculate the cross-section of the cable. - Area Difference: Square Circle
A square is described as a circle with a radius of 6 cm. How much larger is the area of the square than the area of the circle? - Annular area
The square with side a = 1 is inscribed and circumscribed by circles. Find the annular 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. - Annulus
Calculate the area of two circles annulus k1 (S, 3 cm) and k2 (S, 5 cm). - Circles
The area of a circle inscribed in a square is 7. What is the area of a circle circumscribed around a square? - Light area
The lamp illuminates a circle with a diameter of 10m. What area does the light illuminate? - Lawn irrigation
The water jet for welding the lawn reaches a distance of 1.8 m. How much is the lawn irrigated? - Circle area increase
How does the area of a circle change if we double its radius? How many times does its area increase? - The formula
The formula for the area of a circle is (Pi x r x r), where r = measure of the radius and Pi = 3.14. What is the area of a circle whose radius measures 1 cm? - Perimeter of the circle
Calculate the perimeter of the circle in dm, whose radius equals the side of the square containing 0.49 dm².
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