Answer:
15.7
Step-by-step explanation:
Lets take a = 50.
Area of Sector =

Answer:
15
Step-by-step explanation:
By the diagram, you can see the sum of segment AB and segment BC is segment AC. Adding the given expressions for AB and B is
. Simplifying the equation
, gives
. Substituting
in the equation for segment AC gives 15.
1650
1375
15400
Hope this will be helpful
Evaluate
at
:

Compute the line element
:

Simplifying the integrand, we have

Then the line integral evaluates to
