Here is your answer
Given area is
z^2 + 18z + 81
= z^2 + 2× z × 9 + 9^2
[using (a+b)^2= a^2 + 2ab + b^2], we get
= (z+9)^2
we know that area of a square is represented by side^2.
So, here
Side of square is

HOPE IT IS USEFUL
Answer:
with what?
Step-by-step explanation:
theres no question
Option C is the right answer
½(12) = 6
½(64) = 32
½(30) = 15
½(78) = 39
Answer:
93
Step-by-step explanation: