Practice problems of the area of a circle - page 2 of 20
Number of problems found: 385
- Cable
The cable consists of 8 strands. Each strand consists of 12 wires with a diameter of d = 0.5 mm. Calculate the cross-section of the cable. - Illuminates 4961
The lamp illuminates a circle with a diameter of 10m. What area does the light illuminate? - Irrigates 4958
The water jet for welding the lawn reaches a distance of 1.8 m. How much is the lawn irrigated? - Equation 81932
Write the general equation of a circle with point S(2;5) and point B(5;6) lying on this circle. - 22/7 circle
Calculate approximately the area of a circle with a radius 20 cm. When calculating π, use 22/7. - Area of a circle
The circumference of the circle is 150.72 centimeters. Calculate the area of the circle. - Circle - simple
Calculate the area of a circle in dm² if its circumference is 31.4 cm. - Circumference 69934
You know the ratio of the circumference of the circle to the area is 4:9. What is the circle's diameter? - Circumference 6929
Two-thirds of the circumference of the circle is 12π cm long. Calculate the area of the circle. - The ratio
The ratio of the lengths of the two circles is 5:2. Find the ratio of a a) the radii of these circles b) the areas for these circles - 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. - Circle inscribed
Calculate the perimeter and area of a circle inscribed in a triangle measuring 3, 4, and 5 cm. - Radius
Determine the circle's radius if its perimeter and area are the same numbers. - Circumference 61704
Calculate the area of a circle if its circumference is 21.98 dm. Express the result in square decimetres. - Sprinkler 45721
The rotary sprinkler has a spray of 18m. How much land can it irrigate from one place? - Flowerbed 25241
How large should we sow an area with grass in a circular flowerbed with a radius of 4m? - 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? - The cylinder 2
Find the volume and the lateral area of a cylinder with a height of 12 inches and a base radius of 4 inches. - Shell of cylinder
Calculate the area of the shell of the 1.6 m height cylinder with a base radius of 0.4 m. - The star
Find the area of the shaded part of the square with a side of 22 cm.
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