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
6
A B C D E F are all the same shape
19xy + 16z
combine like terms
7xy +1 2xy= 19xy
8z - 2z + 10z = 16z
