Welcome :: Homework Help and Answers :: Mathskey.com
Welcome to Mathskey.com Question & Answers Community. Ask any math/science homework question and receive answers from other members of the community.

13,459 questions

17,854 answers

1,446 comments

811,587 users

Find the length of each arc. Round your answers to the nearest tenth.

0 votes

Find the length of each arc. Round your answers to the nearest tenth.

asked Oct 30, 2018 in ALGEBRA 2 by anonymous

1 Answer

0 votes

Formula : Length of the arc  =  (θ/360) X 2πr.

Where r is radius of the arc and θ is the angle subtended.

1)

Radius r  =  11 ft

Angle θ  =  315

Length of the arc  =  (315/360) X 2π(11)

                             =  (0.875) X 22(3.141)

                             =  60.47565

                             =  60.5 ft

2)

Radius r  =  13 ft

Angle θ  =  270

Length of the arc  =  (270/360) X 2π(13)

                             =  (0.75) X 26(3.141)

                             =  61.2610

                             =  60.3 ft

3)

Radius r  =  16 ft

Angle θ  =  3π/2

              =  3(180)/2

Angle θ  =  270

Length of the arc  =  (270/360) X 2π(16)

                             =  (0.75) X 32(3.141)

                             =  75.39822

                             =  75.4 ft

4)

Radius r  =  13 in

Angle θ  =  π/6

              =  (180)/6

Angle θ  =  30

Length of the arc  =  (30/360) X 2π(13)

                             =  (0.0833) X 26(3.141)

                             =  6.80678

                             =  6.8 in

answered Oct 31, 2018 by homeworkhelp Mentor

Related questions

asked Sep 15, 2018 in CALCULUS by anonymous
asked Jul 21, 2014 in CALCULUS by anonymous
...