Circle + planimetrics - practice problems - page 3 of 37
Number of problems found: 728
- Area of a circle
The circumference of the circle is 150.72 centimeters. Calculate the area of the circle. - Tree trunk
Calculate the average tree trunk with a circumference of 192 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 8395
The circle's circumference is 321 dm larger than the diameter of the circle. What is the average?
- 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 - The equator
Calculate the length of the equator. Calculate a radius of 6378 km. Round to the nearest thousand. - Procedure and calculation - Circle r,D
Calculate the diameter and radius of the circle if it has a length 26.59 cm. - Circle - simple
The circumference of a circle is 683 mm. How long in mm is its diameter?
- Radius
Determine the circle's radius if its perimeter and area are the same numbers. - Circumference - a simple
What is the ratio of the circumference of any circle and its diameter? Write the result as a real number rounded to 2 decimal places. - Sprinkler 45721
The rotary sprinkler has a spray of 18m. How much land can it irrigate from one place? - Describe 5845
The tower clock has a small hand 1 m long. What path will the tip of the little hand describe in 1 day? - 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?
- Clock hands
The second hand has a length of 1.5 cm. How long does the endpoint of this hand travel in one day? - Circumference 48533
The diameter of the circle is 6.8 cm. Calculate the area of the circle to 1 decimal place. Calculate the circumference of the circle to 1 decimal place. - Perimeter 3573
The carousel wheel has a diameter of 138 meters and has 20 cabins around the perimeter. What circuit does the bike have? - Area to perimeter
Calculate the circle circumference if its area is 254.34cm2 - Bicycle wheel
The bicycle wheel diameter is 62 cm. How many times turns the bicycle on the road 1 km long?
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