calculate the area of a sector of a circle which subtends an angle of 45° at the centre of the circle, radius 14cm

  1. 👍 4
  2. 👎 0
  3. 👁 1,111
  1. Since the sector has an angle which is 1/8 of 360°
    its area would be 1/8 of the area of the circle.
    find the area of the circle, then take 1/8 of it.

    1. 👍 2
    2. 👎 0
  2. I want answers to questions

    1. 👍 0
    2. 👎 0
  3. The formula is central angle/360×πr^2
    Central angle=45°

    1. 👍 4
    2. 👎 0

Respond to this Question

First Name

Your Response

Similar Questions

  1. math

    the area of a circle PQR with centre O is 72 cm square. what is the area of sector POQ if angle POQ is equal to 40 degree?

  2. Mathematics

    A sector of a circle of radius 7cm subtends angle 270° at the centre. Calculate a. Length of arc b. Area of sector c. Perimeter of sector

  3. Maths

    The arc of a circle of radius 20cm subtends an angle of 120degree at the center.use the value 3.142 for pie to calculate the area of the sector correct to the nearest cmsquared

  4. Geometry

    The circumference of a circle is 20 pi cm. Find diameter, radius, and area of the disk, the length of an arc of 90 angle and area of a 90 angle sector. Answer in terms of pi. d= ___ r= _____, disk area= _______ arc length =______,

  1. geometry

    11. Infinitely many different sectors can be cut from a circular piece of paper with a 12-cm radius, and any such sector can be fashioned into a paper cone with a 12-cm slant height. (a) Show that the volume of the cone produced

  2. Math

    Find the radius of the circle if an arc of length 5 ft on the circle subtends a central angle of 135°. (Round your answer to two decimal places.)

  3. Mathematics

    a paper cone has a base diameter of 8cm and a height of 3cm.calculate the volume of the cone in terms of pie and make a sketch of the cone and hence use Pythagoras theorem to calculate its slant height and calculate the curve

  4. Maths

    A sector of a circle of radius 7cm subtending an angle of 270 degree at centre of the circle is use to form a cone? (A)find the base radius of the cone. (B)calculate the area of the base of the cone.

  1. Physics

    The angle of a sector of a circle is 75 If the radius of this circle is increasing at the rate of 0.3cm/s find the rate of increase of the area when the radius is 6cm

  2. Solid mensturation

    Find the area of a sector bounded by a 60 degrees central angle in a circle of radius 6 inches

  3. Math

    (a) an angle of length 28cm subtends an angle of 24 at the centre of a circle. In the same circle, what angle does an arc of length 35cm subtends?

  4. maths

    the area of a circle PQR with centre O is 72cmsquare. what is the area of sector POQ if angle O is equal to 40degree

You can view more similar questions or ask a new question.