Question

Find the arc length of the curve r=4/(theta) for
[pi/2, pi]

Answer 1

Is there any diagram with that?

Answer 2

nope:/

Answer 3

Hmmm so I'm guessing the radius is 4, and theta can be pi/2 and pi.

Answer 4

okay...

Answer 5

arc length = radius * theta (in radians)
arc length = 4 * pi/2
arc length = 6.2831853072

Answer 6

arc length = 4* pi
arc length = 12.5663706144

Answer 7

it says its wrong:/

Answer 8

Okay I'll have to find out what pi radians are.

Answer 9

okay:)

Answer 10

Hmm according to what I found
So π radians = 180°
Basically 3.14159265 radians = 180°

Answer 11

a pi is 180 degrees

Answer 12

That question is worded strangely -

Find the arc length of the curve r=4/(theta) for [pi/2, pi]
so the curve is r / theta?

Answer 13

arc length refers to radian @wolf1728

Answer 14

yes