Arc Length And Sector Area Worksheet With Answers. Web arc length and sector area. Radians, arc length, and the area of a sector.
1) 11 ft 315 ° 60.5 ft 2) 13 ft 270 ° 61.3 ft 3) 16 ft 3 π 2 75.4 ft 4) 13 in π 6 6.8 in 5) r = 18 cm, θ = 60 ° 18.8 cm 6) r = 16 m, θ = 75 ° 20.9 m 7) r = 9 ft, θ = 7π 4 49.5 ft 8) r = 14 ft, θ = 19 π 12 69.6 ft A = πr2 a = π r 2. This guide includes examples, a free video tutorial, and practice problems worksheet. We can use our knowledge about the area of a circle to help us find the area of a sector. We know that the area of a circle is given by. Arc length of a sector (s) = θ x π x r180area =s x r 2 4 in 150 k s=? Standard notation is to say θ=2. But if a sector is only a part of a circle, we can just find the area of the part. Radians, arc length, and the area of a sector. Math 1330, precalculus the university of houston chapter 4:
( use π = 3.14 ) 2) 3) e 270 12 in 17 65 ftyd f 9 o p ( use π = 3.14 ) 2) 3) e 270 12 in 17 65 ftyd f 9 o p Finding area of the sector from arc length let nothing fly in the ointment of your skilled practice! Web arc length and sector area date_____ period____ find the length of each arc. Round the answer to two decimal places. 1) 11 ft 315 ° 60.5 ft 2) 13 ft 270 ° 61.3 ft 3) 16 ft 3 π 2 75.4 ft 4) 13 in π 6 6.8 in 5) r = 18 cm, θ = 60 ° 18.8 cm 6) r = 16 m, θ = 75 ° 20.9 m 7) r = 9 ft, θ = 7π 4 49.5 ft 8) r = 14 ft, θ = 19 π 12 69.6 ft Standard notation is to say θ=2. 16 in 90° 8 m 135° 40° 18 m 9. =150 x 3.14 x 4180 = 10.47 in 10.47 x 4= 2 = 20.94 in! A = πr2 a = π r 2. Θ θ 30 ft 10 ft.