Sector

The perimeter of a circular sector with an angle 1.8 rad is 64 cm.

Determine the radius of the circle from which the sector comes.

Result

r =  35.56 cm

Solution:

Solution in text r =







Leave us a comment of example and its solution (i.e. if it is still somewhat unclear...):

Showing 0 comments:
1st comment
Be the first to comment!
avatar




Next similar examples:

  1. Circle and angle
    arc What is the length of the arc of a circle with radius r = 207 mm with cental angle 5.33 rad?
  2. Flowerbed
    garden_16 In the park there is a large circular flowerbed with a diameter of 12 m. Jakub circulated him ten times and the smaller Vojtoseven times. How many meters each went by and how many meters did Jakub run more than Vojta?
  3. Wheels
    tractor Small tractor wheel with a diameter of 60 cm must be rotated 8 times to overcome some pathway. How many times must turn the big tractor wheel with a radius 60 cm to overcome the same distance?
  4. Thales
    circles_1 Calculate the length of the Thales' circle described to right triangle with hypotenuse 18.4 cm.
  5. Meridian
    Globe What is the distance (length) the Earth's meridian 23° when the radius of the Earth is 6370 km?
  6. Radius
    green_circle Determine the radius of the circle, if its perimeter and area is the same number.
  7. Circle
    circle_1 What is the radius of the circle whose perimeter is 6 cm?
  8. Circle r,D
    bavlnka Calculate the diameter and radius of the circle if it has length 52.45 cm.
  9. Mine
    minetower Wheel in traction tower has a diameter 2 m. How many meters will perform an elevator cabin if wheel rotates in the same direction 66 times?
  10. Silo
    silo Outer perimeter of silo is 32 m. Concrete wall is 35 cm thick. What is diameter and area of inside floor of silo?
  11. Wheel
    bicycle_1 Diameter of motocycle wheel is 52 cm. How many times rotates wheel on roand long 2 km?
  12. Disc
    vysek.JPG Circumference of the disk is 78.5 cm. What is the circumference of the circular arc of 32° on the disc?
  13. Arc
    angles Convert to arc measures (radians): 924 ° Result write as a multiple of π
  14. Reference angle
    anglemeter Find the reference angle of each angle:
  15. Obtuse angle
    UholZSobr2 Which obtuse angle is creating clocks at 17:00?
  16. 10 pieces
    circle_div How to divide the circle into 10 parts (geometrically)?
  17. Theorem prove
    thales_1 We want to prove the sentense: If the natural number n is divisible by six, then n is divisible by three. From what assumption we started?