trig

posted by .

given a central angle of 66 degrees find the area of a sector in a circle of radius 12.1 inches

  • trig -

    Area of a circle:

    A=r^2*pi

    Area of a sector:

    As=r^2*pi*(66°/360°)

    As=12.1^2*3.14159*0.18333

    As=146.41*3.14159*0.18333

    As=84.3245 in^2

  • trig -

    POST.

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. trigonometry

    please check my answers. 1.Find the area of the sector of a circle. r=11.8cm, theta-pi/7 radians I got 31.2cmsquared 2.Find the radius of a circle in which a central angle of pi/6radian determines a sector of area 76square meters. …
  2. Trig.

    79): Find the area of the sector of the circle. Radius: 2.5 feet. Central Angle: 225 degrees. I multiplied (1/2)(25/4)(5pi/4), and I got 100pi/16, which reduced to 50pi/8 when I halved it. I reduced that to 25pi/4 or 19.63. But the …
  3. trig

    In a circle of radius 12 inches, a sector is formed by a central angle of pie/4 radians. Find the area of the sector to the nearest hundredth of a square inch.
  4. Math/Trig

    Find the area of a sector of a circle with a radius of 3 m and a central angle of 125degrees.
  5. trig

    An arc subtends an angle 15 degrees at the centre of the circle. If the radius is 4 centimetres, find the area of the sector?
  6. Trig

    Find the measure of the central angle, in radians, given the area of the sector as 22.6 cm2 and a radius equal to 3.7 cm
  7. TRIG HELP ASAP

    I really need help on this problem. A sector has area of 15 in^2 and central angle of 0.2 radians. Find the radius of the circle and arc length of the sector
  8. pre-calc

    Find an angle between 0 and 2ð that is coterminal with the given angle. -8pi/3 A sector of a circle has a central angle of 60°. Find the area of the sector if the radius of the circle is 3 mi.
  9. Trig

    Find the area of a sector with the given central angle θ in a circle of radius r. θ = 90°, r = 6 cm
  10. Solid mensturation

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

More Similar Questions