Answer:
radius of the sphere (r) = 21 units
Step-by-step explanation:
here's the solution : -
=》

=》

( pi cancel out )
=》

=》

We have that
x²<span>-20x
</span><span>Group
terms that contain the same variable
</span>(x²-20x)
Complete
the square
(x²-20x+10²)------> (x-10)²
the answer is
the number must be 100
Answer: we dont have options
Step-by-step explanation:
It would be 2/4. 2/4 simplifies to 1/2.