Question

Please help quick. Write instructions on how to solve the first question and the second question

Answer 1

Answer: To find arc length, find the change in angle. Here to would be 360 -315 = 45. then use 2π x 11 (
`(45)/(360)`) and solve.

To find sector: (θ/360º) × πr2

θ = 60.

r = 10

Please try to write it better than this.