SA=4pir^2
r=20m
SA=4pi20^2
SA=4pi400
SA=1600pi m^2
Answer:
65
Step-by-step explanation:
(4-7i)(4+7i) =16 + 28i-28i -49i^2 ➡16 - 49i^2
16 + 49 = 65
the fault here is i^2= -1 and -1 multiplied by -49 is +49 not -49
Answer:
Step-by-step explanation:
f(x) = x is an odd function; the power of x is x^1.
f(x) = -x is also an odd function.
THE answer is 17 because 2X2= 4+13= 17
Your Welcome :D
You have to multiple 6 times itself to get the sides