Answer:
volume = (1/3)(area of base)(height)
area of base = pi * radius2 = pi * (10/2)2 = pi * 52 = 25pi cm2
volume = (1/3)( 25pi )( 9 ) cm3
volume = 75pi cm3
volume ≈ 236 cm3
<h2>plz give me brainliest :)) !!!!</h2>
Answer:
256
Step-by-step explanation:
sum of the first n odd number is n^2
if we want to find the sum of of 1 thru 31
to find out how many numbers that is
(1+31)/2 = 32/2 =16
there are 16 numbers
n^2 =16^2 =256
<h3>Answer:</h3>
x=135°
<h3>Explanation:</h3>
All the internal angles of the octagon are angles of 135°
Answer:
B) -4 - 12i
Step-by-step explanation:
(3-4i)+(-7-8i) = 3 -4i - 7 - 8i
= 3 - 7 - 4i -8i
= -4 - 12i
