Question

1) Calculate the volume of the cone shown.
2) Calculate the surface area of the cone shown.
-PICTURE IS UNDER THIS POST-

Answer 1

Volume of the cone: v = hπr2/3
So, V = 12*π*5^2 / 3
V = 314.16

( not sure if im right though)

Answer 2

that doesnt say to be an answer..

Answer 3

then its right sorry

Answer 4

wrong*

Answer 5

a.100 pi
b.108.3 pi
c.300 pi
d.325 pi

Answer 6

for number 14

Answer 7

it is right 100pi = 314.16

Answer 8

oh ok..I didnt know hot to break it down

Answer 9

what about number 15?

Answer 10

number 2

Answer 11

SA = pi*r*s + pi*r^2
So, pi*5*13 + pi*5^2
= 282.74
( not sure if its right though)

Answer 12

whats 282.74..in pi terms?

Answer 13

what's the answer in pi terms ?

Answer 14

yes

Answer 15

yes ? what's the answer in pi terms ?

Answer 16

oh..I was asking you what 282.74 is in pi.. like how 314 was 100 pi?

Answer 17

idk , i cbf working it out ,
well just tell me the answer to the question in pi terms so i can work it out

Answer 18

the answer is either
a. 60 pi
b. 65 pi
c. 80 pi
d 90 pi

Answer 19

w8 , its a multiple choice question ?

Answer 20

yess

Answer 21

LOLS , then someone should check my answer for the first one. I thought it was the answer

Answer 22

Im not sure if my answer is correct , if it is correct then the answer is 90 pi

Answer 23

ok.. thanx!

Answer 24

the volume is \[V=\Pi r ^{2}h/3\]
here h=12,r=5......V=314
curved surface area\[s=\Pi rl\]
l=13 r=5
s=204.1
total surface area\[t=\Pi r(r+l)\]
t=282.6