The diameter of a circular plot is 14 dm. Find the circumference and area.
Leave us a comment of example and its solution (i.e. if it is still somewhat unclear...):
Showing 0 comments:
Be the first to comment!
To solve this example are needed these knowledge from mathematics:
Next similar examples:
- Square and circle
Into square is inscribed circle with diameter 10 cm.What is difference between circumference square and circle?
Washing machine drum wash at 54 RPM. Washing machine motor pulley has diameter 5 cm. What must be the diameter of the drum machine pulley when the motor is at 301 RPM?
The front wheel of velocipede from year 1880 had a diameter 1.8 m. If the front wheel turned again one then rear wheel 6 times. What was the diameter of the rear wheel?
Circular cone of height 15 cm and volume 10598 cm3 is at third of the height (measured from the bottom) cut plane parallel to base. Calculate the radius and circumference of the circular cut.
- Quarter circular
The wire that is hooked around the perimeter of quarter-circular arc has length 3π+12. Determine the radius of circle arc.
How big is area of circle if its circumference is 80.6 cm?
- Quadrant II
Calculate the radius of the quadrant, which area is equal to area of circle with radius r = 15 cm.
Plane shape has a maximum area 677 mm2. Calculate its perimeter if perimeter is the smallest possible.
The radius of the larger circle is 8cm, the radius of smaller is 5cm. Calculate the contents of the annulus.
How long distance will travel a large (minute) hand on the clock for 47 minutes, if its length is 43 cm?
How long track travel the second hand in 46 hours, the end of which is 4 cm long.
The clock shows 12 hours. After how many minutes will agle between hour and minute hand 90°? Consider the continuous movement of both hands hours.
What angle are between directions WSW (WestSouthWest) and SSE (SouthSouthEast) on the compass?
What distance will describe the tip of minute hand 6 cm long for 20 minutes when we know the starting position with finally enclose hands each other 120°?
Two gears, fit into each other, has transfer 2:3. Centres of gears are spaced 82 cm. What are the radii of the gears?
How many intersections have circles with radius 16 mm and 15 mm, if the distance of their centers is 16 mm.
For the circle c1(S1; r1=146 cm) and c2(S2; r2 = 144 cm) is distance of centers |S1S2| = 295 cm. Determine the distance between the circles.