Answer:
$1.30
Step-by-step explanation:
Centre= (-1,-2)
Radius=5
All working shown on photo
Answer:
Step-by-step explanation:
If you graph there would be two different regions. The first one would be

And the second one would be
.
If you rotate the first region around the "y" axis you get that

And if you rotate the second region around the "y" axis you get that

And the sum would be 2.51+4.188 = 6.698
If you revolve just the outer curve you get
If you rotate the first region around the x axis you get that

And if you rotate the second region around the x axis you get that

And the sum would be 1.5708+1.0472 = 2.618
Answer:


Step-by-step explanation:
Given that:
Point
is interior of
.

To find:

Solution:
First of all, let us represent the given values in the form of a diagram.
Kindly refer to the attached image for the given points and values of angles.
We can clearly see that:

Putting all the values given in above equation, we get:

