Circular arc - examples
Circumference of the disk is 78.5 cm. What is the circumference of the circular arc of 32° on the disc?
- MO SK/CZ Z9–I–3
John had the ball that rolled into the pool and it swam in the water. Its highest point was 2 cm above the surface. Diameter of circle that marked the water level on the surface of the ball was 8 cm. Determine the diameter of John ball.
Circle arc corresponding to angle is 193° is 23 dm long. What is the length of the entire circle?
Semicircle estate must be fence. The straight section has 44 meters long fence. How many meters of fence should buy?
Convert 54° to radians. Write result as multiple of number π.
- Circular sector
I have a circular sector with a length 15 cm with an unknown central angle. It is inscribed by a circle with radius 5 cm. What is the central angle alpha in the circular sector?
- Circle arc
Circle segment has a circumference of 13.26 mm and 252.03 mm2 area. Calculate the radius of the circle and size of central angle.
The length of the circle is 33 amd arc length of the circle 11. What is the magnitude of the angle of this arc?
What area of a circle occupied the flowers planted in the arc of a circle with radius 2 m with central angle 45°?
The bridge arc has a span 41 m and height 3 m. Calculate the radius of the circle arc of this bridge.
- Goat and circles
What is the radius of a circle centered on the other circle and the intersection of the two circles is equal to half the area of the first circle? This task is the mathematical expression of the role of agriculture. The farmer has circular land on which g
- Circle and angle
What is the length of the arc of a circle with radius r = 138 cm with cental angle 2.07 rad?
- Circle sector
Circular sector with a central angle 10 ° has area 254 cm2. Calculate its radius r.
- Chord - TS v2
The radius of circle k measures 63 cm. Chord GH = 32 cm. What is TS?
The perimeter of a circular sector with an angle 2 rad is 53 cm. Determine the radius of the circle from which the sector comes.
- Circle arc
Calculate the area of the circular arc in m2 where the diameter is 206 dm and a central angle is 150°. Result round to three decimal places.
- Field with vegetables
Field planted with vegetables has shape of a rectangular isosceles triangle with leg length of 24 m. At the vertices of the triangle are positioned rotating sprinklers with a range of 12 m. How much of the field sprinkler doesn't irrigated?
- Circle section
Equilateral triangle with side 50 is inscribed circle section whose center is in one of the vertices of the triangle and the arc touches the opposite side. Calculate: a) the length of the arc b) the ratio betewwn the circumference to the circle sector.
Calculate span of the arc, which is part of a circle with diameter d = 14 m and its height is 4 m.
In the newly built park will be permanently placed a rotating sprayer irrigation of lawns. Determine the largest radius of the circle which can irrigate by sprayer P so not to spray park visitors on line AB. Distance AB = 55 m, AP = 36 m and BP = 28 m.