determine a ca equate a'Ga to 0
solve for x
when full
200mL
1 show h can be expressed as h 72
Area Ese ht
x
y of
200 Torah
h
P
yf 2 show total surface area so
SA O t a openglass only 1 circle
hoeplace
Tr 2 xu
81 variable
Th t a 29
x
Z
Th 4
3 Value of r for which the total surface area is the minimum
Ser The 400u t
derivative to
equate
s r 2Tir 40g
z
q
Mr 4
273 400
3
49 r 4
34
solve for x
when full
200mL
1 show h can be expressed as h 72
Area Ese ht
x
y of
200 Torah
h
P
yf 2 show total surface area so
SA O t a openglass only 1 circle
hoeplace
Tr 2 xu
81 variable
Th t a 29
x
Z
Th 4
3 Value of r for which the total surface area is the minimum
Ser The 400u t
derivative to
equate
s r 2Tir 40g
z
q
Mr 4
273 400
3
49 r 4
34
