Whct Is CoId
es In Cqns?
Findthe surfaceareaoleach
answer.Whenyoufinish,write
spacesat thebottomof thepage.
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SA 2 2'l'-'t @
10 in.
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6in.
30 mm
6.4cm
5.2cm
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D-65
TOPIC5{: SurfaceArea of prisms and pyramirls
What Is Big, Gray,and Lives
in California?
Findthevolumeof eachprism.Writetheletterof theexercisein theboxabovethe
answerat the bottomol thepage.
(o?4
I
f- -_-
5.8cm
\V?i
,".|i'...
4.5 cm
10m
I lr", 5
tt 6.4cm
,t-t'Jg"r-
8 cm
3'1*
i59-r
----_
l.3
3qo
4.3cm
7.5 m
h--r
/..1.f i^-,,
B = 19.7cm2
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KN
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D-69
TOPIC5-f: Volumeof Prisms
a*"".r"r,
whyDidHumptyDur@"e
Do eachexerciseandfindyouranswerin the answercotumn.Writethe letterof the
Use3.14lor n'
the numberof the exercise.
answerin eachboxcontaining
*#*];1,o,", surface
thelateral
Find
"r;il;r;1iil::
r
5cm
\
O
I
I
I
12cm
803.84in.2
m2
@ zsz.16
I
a-- - - - a
zs1.2tt2
ln t0 ft
3-1(r.b .."3
Od","ral area:
533.8
@,rtot"larea:
c'*.2
: -4 5 \2:g"
Cs\l"t.,al area
b5\ 'bB Ptz
@a,ot",area:
9m
20 cm
h
6.5 m
q9@ s04.s2ft2
c
861.6cmz
@ 367.38m2
@ 376.8cm2
244.92cmz
@ tts.18ft2
70 cm
area:8JqZ .'.3
@trtarerat
t t,3CA
@Kro,.t area:e
"'.3
0t2.18ft2
3b-1.i8"^z
@g",.rd area:
*^z
@jiotal area:8-1(o'Ob
cm2
11,304
€@
e42cm2
351.68ft2
@ 775.14in.2
r.5.{
2++["
@@ 533.8cm2
(
r- ein.sc'Bl @ d = 1 0 . 8m
(Q r=3cm
: o
A h=2.6m
Y h= 1 0 cm
h=8i n.
@ 271.296m2
*
2 - 1 \ . lq b
lll. Solve.
@ 876.06m2
12,412cm2
juiceis a cylinder
witha radiusof
@ n canof tomato
@
olo.o!^?lr$*'5:f" *=e4z
E l;:i#"lxffiffi
c'l @ 8,792cm?
'?#
ll. Findthe totalsurfaceareaof eachcylinder.
r{\
of 12ft
witha diameter
fD n steeloiltankis a cylinder
."tc'i.12tt z
feet
Y anda heightof 18ft. Howmanysquare of steel
to makethetank?
-t wereneeded
b..
TOPrc 5-c:SurfaceAreaof CYlinders
D-66
o
3 1 1 . 0 4m
62
MIDDLESCHOOLMATHWITH PITZAZZIB@K D
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w++5_|++++++++
1. Whatls theBestWaY
to Painta Rabbit?
4
Eat
2. WhatCandyDo Kids
onthePlayground?
1++++++
s+++++,
Do eachexerciseand findyouranswerin the answercolumn.
write the leilerof the answerabovethe exercisenumber
eachtimeit appearsin the code.Use3.14 torr.
l. Findthevolumeof eachcylinder.
oP
@
6-15 c-i
T
9c m
mL
@ oet . 36
3.5m
\^
t
t:.t{
1 4 1 . 3c m 3
@ t4.Bmg
'-.,'
I
602.88in.3
,
@ ozscms
m3
@ z,+so
a- - - - - - \ \
\B= 4.4m2
B =75c m2
@
A
3
3cm r
@
w
c'^
t4\ 'b
5c m \
-----\
@
t_
1,177.5mm3
I
I
I
I
t
452.16mL
z/2ko'e)"tt3
l.tBsor^
cm3
@ sae.8
10 m
15.4m3
7 cm
@
l3
2,260.8tn.3
x 20 in.
I
Y
I
5.5cm
ar------t\\
t
8{b.2\
t
c^..'
25m
@
r=2.5mm
@ ,= I in.602.8B,^3
}A h=60mm 3
l L h = 3in.
I \1-1 'S **
ll. Solve.
@ i=io
'
h=7.2m
L
StoS'L "^'
846.23cm3
@ tt7.8in.3
376.8cm3
mm}
@ t ,224.s
rs
@ ote.e
hasa
A mugin theshaPeof a cYlinder
basewitha radiusof 4 cm.HowmanY
of liquiddoes.i! ftoldif filledto
milliliters
of 9 cm? tlSZ.\bc^'
a height
(Hint:1 cm3holds1 mL.)
Shawnis makinga candleusinga
moldwitha radiusof 2 cm
cylindrical
anda heightof 30 cm. Howmany
of wax are needed
cubiccentimeters
forthecandle? gnb.\ ,j
TOPIC5-g:Volumeof Cylinders
Answers
cm3
@ t t 4. 13
D-70
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