Perimeter of Circle Problems
Number of problems found: 280
- Circular pizza
The radius of a circular pizza is 6 inches. What is the approximate circumference of the pizza? (Use π = 3.14) - Concentric circles 4
One circle has a radius of 98 cm, and a second concentric circle has a 1m 26 cm radius. How much longer is the circumference of the second circle than that of the first? - A circular track
The inner circumference of a circular track is 220 m, and the width of the track is 7 m. Calculate the cost of putting up a fence along the outer circle at the rate of 50 USD/m. - Garden hose
Miguel wound a garden hose around a circular real. If the diameter of the real is 10 inches, how many inches of hose was wound on the first full turn of the real round? The answer to the nearest whole inch, use 3.14 for pi. - A gardener
A gardener wants to fence a circular garden of diameter 21 m. Find the length of the rope he needs to purchase, if he makes 2 rounds of fence. Also find the cost of the rope, if it costs $0.40 per meter. - Four plates
Four equal maximum sized circular plates are cut off from a square paper sheet of area 784 sq cm. Calculate the circumference of each plates. - The diameter
The diameter of a circle is 4 feet. What is the circle's circumference?
- Length of the circle
Calculate the length of the circle if d = 10 cm. - Circle simple
The circumference of a circle is 6.28. What is the area of the circle? - Clock hands
What path will the tip of the minute hand of length 5 dm cover on the clock in 2 hours? - Circumference circles
What is the circumference and area of the circle if r = 18cm - Circle
What is the radius of the circle whose perimeter is 11 km? - Wheel diameter
A 1m diameter wheel rolled along a 100m long track. How many times did it turn? - Calculate 2948 Calculate the length of a circle with a diameter of 7 cm.
- Semicircle
Calculate the length of a semicircle with a radius of 6cm.
- 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. - 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 - Circle - easy 2
The circle has a radius of 6 cm. Calculate its diameter, perimeter, and area: - Hexagon
Draw a regular hexagon inscribed in a circle with a radius r=15 cm. What is its perimeter? - Circumference of a circle
Calculate the area of a circle if its circumference is 21.98 dm. Express the result in square decimetres.
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