Yes, both angles are acute because all complementary angles are acute.
Answer:
use formula
area =1/4*π*d^2
81π=1/4*π*d^2(here two pie gets cancel)
81=1/4*d^2
81*4=d^2
=d
18=d
Step-by-step explanation:
Answer:
bob
Step-by-step explanation:
2x (Multiplied by) 6
You cannot combine 2x and 6 because x is an unknown variable that is attached to a coefficient. Hope this helps!