Answer:
2 pi
Step-by-step explanation:
The radius is 2
The area of a circle is
A = pi r^2
We have 1/2 of a circle so
1/2 A = 1/2 pi r^2
=1/2 pi ( 2)^2
=1/2 pi *4
= 2 pi
Answer:
Step-by-step explanation: First Whats 9+10 Its 21 soooo yea 2nd u get smart 3rd Be a GIGA CHAD
Answer:
C) The sample does not accurately represent the population
Given:

To find:
The value of
.
Solution:
We know that,


It means, we have
and we need to find the value of
.




Therefore, the value of
is 0.8.