Answer:
rectangle are congruent because opposite sides of rectangle are equal. We also know that diagonals of rectangle bisect each other
You can parameterize 
using spherical coordinates by
with 
and 
.
Take the normal vector to to be
(I use 
to avoid negative signs. The orientation of the normal vector doesn't matter for a scalar surface integral; you could just as easily use 
.)
Then
and the integral of 
over is
Answer:D
Step-by-step explanation:
It’s a permutation
Answer:
5/39
Step-by-step explanation:
2 1/6 = 13/2
5/6 divided by 13/2 = 5/6 multiplied by 2/13
5/6(2/13) = 5/39
so, your answer is 5/39
Answer:
possibly china, but not confirmed.
Step-by-step explanation:
