Finding The Length Of An Arc

Question 1

How would it be worded

Answer 1

Calculate the arc length for this sector give your answers in terms of pi

Question 2

How do you do it

Answer 2

100/360x pi (16)
8 + 8

Question 3

How do u calculate the perimeter of this sector

Answer 3

150/360 pi x 14 =18.326 35/6
Then at 7+7 on to your answer
7+7 =14

Question 4

How would you work out this

Answer 4

360-50 =310
310/360 pi x 12.8 =34.627
6.4+6.4 =12.8

Question 5

What do u do if it days to calculate a primeter arch length

Answer 5

Add the number side