the value of 7 in 700 is seven hundreds
Answer:
circumference is 81.68
area is 530.93
Step-by-step explanation:
C=2πr=2·π·13≈81.68141
A=πr2=π·132≈530.92916
x^2 + 18x + 81
(x+9) (x+9)
then distributive property
9
i hope this is helpful........
