Perimeter of Circle Problems - page 3 of 15
Number of problems found: 287
- 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 - Pizza circumference
Calculate the circumference of a pizza with a diameter of 62 cm. How big is the plate on which it is placed when it covers it? - Playground mantel length
The playground floor plan consists of a square with a side of 8 meters and two semicircles. Calculate the length of the mantel, which is around the perimeter of the field. - Circle Area from Square
The circle has the same area as the square, whose circumference is 400 m. Calculate the diameter of the circle. - Square circles
Calculate the length of the described and inscribed circle to the square ABCD with a side of 5 cm. - Mine
The wheel in a mine hoist has a diameter of 4 m. How many metres does the elevator cabin travel if the wheel rotates 89 times in the same direction? - Oval running
Jan runs around a circle with a diameter of 24 m. How many kilometres will he run if he goes around the circle four times? - Triangle circle circumference
Calculate the perimeter of a circle circumscribed by a right triangle with squares 10 cm and 15 cm long. - Length of the arc
What is the arc length of a circle k (S, r=68 mm), which belongs to a central angle of 78°? - Oval track length
Calculate the length of the oval race track, which has two straights of 100 m, and the diameter of the curves is 52 m. - Radius of the circle
Calculate the radius of the circle whose length is 107 cm larger than its diameter - Area to perimeter
Calculate the circle circumference if its area is 254.34 cm2 - Wheel
What is the wheel diameter if the 0.57 km track turns 106 times? - Hexagon
Draw a regular hexagon inscribed in a circle with a radius r=15 cm. What is its perimeter? - Clock
How far does the tip of a clock's second hand travel in day, if the second hand is 15 mm long? - Tree trunk
Calculate the average diameter of a tree trunk whose circumference is 192 cm. - Circumference - a simple
What is the ratio of the circumference of any circle to its diameter? Write the result as a real number rounded to 2 decimal places. - Circle arc angle
Points A and B lie on the circle k. The circumference of the circle k is 40 CM, and the length of the circular arc AB is 10 CM. Determine the size of the angle ABS. - Circumference of a circle
Calculate the area of a circle if its circumference is 21.98 dm. Express the result in square decimetres. - The tire
The tire of a car has a radius of 10.5 inches. How many revolutions does the tire need to make for the car to travel 13,200 inches? Round to the nearest whole revolution.
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