Circle - practice for 13 year olds - page 8 of 29
Number of problems found: 563
- Circle line position
There is a given circle k (S, 4 cm) and a line p. If the distance of point S from line p is less than 4 cm, is the line p called? - Square circle area
A circle describes a square with a side of 8 cm. Calculate the area of the rest of the circle if we cut out the square. - Circle waste percentage
A full circle is cut from a square plate with a side of 200 mm. What percentage of the plate is waste? - Cycling track
The cycling racetrack has the shape of a circle with an area of 2 ha. How long will a cyclist drive one-third of a kilometer in a perimeter? - Percentage of waste
In a square plate with a side 58 cm, we cut four same circles. Calculate the percentage of waste. - Circle length center
Calculate the circle's length and determine the coordinates of the center of the circle when given its diameter XY, X / -3.2 / and Y / -3, -4 /. - Circle diameter
Calculate the diameter of a circle whose area in cm² and the circumference in cm are expressed by the same number. - Circle radius increase
When we increased the circle's radius by 2 cm, its area increased by 40π cm². Determine the radius of the circle before magnification. - Tree trunk
What is the smallest diameter of a tree trunk that we can cut a square-section square with a side length of 20 cm? - Waste from Cutting Circle
A circle with the largest possible diameter is cut from a square with a side length of 35 cm. What percent of the square area is waste? - Circle - simple
Calculate the area of a circle in dm² if its circumference is 31.4 cm. - Square and circle
Into the square is an inscribed circle with a diameter of 10 cm. What is the difference between a circumference square and a circle? - The star
Find the area of the shaded part of a square with a side of 22 cm. - CD disc
A compact disc has a diameter of 11.8 cm. What is its surface area in square centimeters? - Wheel gear
A drive wheel of radius two is connected to a drive wheel of radius one by a pulley of length 17. What is the distance between the wheel axles? - Circle Area from Square
The circle has the same area as the square, whose circumference is 400 m. Calculate the diameter of the circle. - Perimeter of the circle
Calculate the circumference of a circle in dm whose radius equals the side of a square with an area of 0.49 dm². - Square circle length
Calculate the length of the circle, which is surrounded by a square with a side length of 3 cm - EQL triangle
Calculate the inradius and circumradius of an equilateral triangle with side a=67 cm. - Circles
The area of a circle inscribed in a square is 7. What is the area of a circle circumscribed around a square?
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