geometry
posted by Lauren
Given that circle A has a radius of 52 and a radii AB and AC form an angle of 132 degrees, find the exact length of BC

Reiny
arc length = rØ, where Ø is the angle of the sector in radians
so Ø/2π = 132/360
Ø = 2π(11/30) = 22π/30
arc = 52(22π/30) = 572π/15 units
Respond to this Question
Similar Questions

maths
O is the centre of the circle and A and B are points on the circumference of the circle. The radians of the circle is 12 cm and the angle AOB is 54 degrees. Choose the one option which gives the length of the circle joining A and B … 
mathgeometry
The sum of the radii of two concentric circles is 40. A chord with length 36 of the larger circle is trisected by the smaller circle. The area of the smaller circle is k*pi. Find the value of k. Express your answer as an exact decimal. … 
Math
The points (4, –5) and (– 4, 1) are endpoints of a diameter of a circle. (a) Find the center of the circle. (b) Find the length of the radius of the circle. (Note that this is a distance.) Give the exact answer. Show work. (c) … 
Geometry
how to you solve: the radius of circle Z is 13.5 units long. Find the length of each arc for the given angle measure. if the angle measure is 120 degrees? 
Trigonometry
Given that circle A has a radius of 52 and a radii AB and AC form an angle of 132 degrees, find the exact length of BC 
geometry
The radius of a circle is 6cm and the arc measurement is 120 degrees, what is the length of the chord connecting the radii of the arc? 
geometry 3
Given: Circle O with radius of length 4 units. measurement of arc PQ=141 degrees. Find the cordinates of point P. Circle O(0,0) 
Geometry
Given that circle Q has a radius of 42, and radii line QR and line QS form an angle of 180, find the exact length of arc RS. 
Geometry, help!
Circle O has a radius 28. Radii OM and ON form an angle of 60 degrees. Find MN. A) 28 radical 2 B) 28 C) 56 D) 56 radical 3 Is it A) ? 
Math Arc Length
Find the arc length corresponding to an angle of a degrees on a circle radius of 4.9 Enter the exact answer. I put the arc length was 4.9api/180 got it wrong. Any help?