Keeping in mind that 16 = 2*2*2*2, thus 16 = 2⁴
800 is 100% so 20 is 40% of 800.
Answer:
Step-by-step explanation:
(Subtract 
from both sides of the equation to isolate 
)
(Simplify)
(Symmetric Property of Equality)
(Divide both sides of the equation by 
to get rid of 's coefficient; remember that 
, so 
has a coefficient of )
(Simplify)
Hope this helps!
Answer:
161.92 is the radius
If you want, you can round it to 162 units
