Circle practice problems - page 14 of 50
Number of problems found: 990
- 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? - Cutting square
We cut the circle with the highest possible diameter from a square with a side of 30 cm. How many percent of the square area is this circle? - Semicircles 7365
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. - 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? - Described 7872
In the KLM isosceles triangle, the KL base is 24 cm long, and the arm measures 15 cm. What is the radius of the circle described by this triangle? - Percentage 67494
A circle with the maximum area was made of a square plate with side a = 85 cm. What percentage of the board is wasted? - Circumference 46181
Calculate the area of a circle that has a circumference of 314 cm.
- The star
Find the area of the shaded part of the square with a side of 22 cm. - Equation of the circle
Find an equation of the circle whose diameter has endpoints (1,-4) and (3,2). - Percentage 66714
They cut a full circle from a square plate with a side of 200 mm. What percentage is waste? - Difference 66354 A circle is inscribed in a square with a side of 12 cm so that it touches all its sides. Calculate the difference between the area of the square and the circle.
- Surrounded 36661
Calculate the length of the circle, which is surrounded by a square with a side length of 3 cm - CD disc
A compact disc has a diameter of 11.8 cm. What is its surface area in square centimeters? - Triangle in circle
The vertices of the triangle ABC lie on a circle with a radius 3, which is divided into three parts in the ratio 4:4:4. Calculate the circumference of the triangle ABC. - Gears
The front gear on the bike has 32 teeth, and the rear wheel has 12 teeth. How many times does the bike's rear wheel turn if you turn the right pedal 30 times? What distance will you go if the circumference of the bicycle wheel is 250 cm?
- Percentage 82623
The square in the picture has a side length of 6 cm. What percentage of the area is the colored part? - Circles
The area of a circle inscribed in a square is 7. What is the area of a circle circumscribed around a square? - Squaring the Circle
Find the side of the square with the same area as the circle of radius 9. - Circles
Three circles of radius 30 cm, 28 cm, and 37 cm are mutually tangent. What is the triangle perimeter whose vertices are the circles' centers? - 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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