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GeoSApyramidday31.notebook
1
April25,2017
Apr183:55PM
WarmUpsDay31
Findthesurfaceareaofthistoiletpaperroll
5in
2
6 ||
Apr183:55PM
WarmUpsDay31
Findthesurfaceareaofthistoiletpaperroll
5in
2
6 ||
GeoSApyramidday31.notebook
2
April25,2017
Apr184:00PM
QuestionsonHW30wkst? SAwkstday30.pdf
Apr184:00PM
YesterdaywelearnedhowtofindtheSAofaprism.Itstartedwithmakinganet,andwedeveloped
base base.SA=Ph+2Aprism
Thisevenworksforacylinder.Itisaprismtoo.SA=
cylinder
Personally,Ijustusethetopone!OrIuseanet.
=
GeoSApyramidday31.notebook
3
April25,2017
Apr184:09PM
Todaywewilldevelopasimilarformulato
findtheSAofapyramid
Drawasquarepyramidofheight4cm.Letthesidelengthofthesquarebe6cm.
Apr184:19PM
6
6
.4
GeoSApyramidday31.notebook
4
April25,2017
Apr184:19PM
6
6
4
Apr184:19PM
6
6
TofindtheSA,lookatnet
4
GeoSApyramidday31.notebook
5
April25,2017
Apr184:19PM
6
66
66
64
Whatarewemissing?
Apr184:19PM
6
66
66
64
Arethesebluelinestheheightofpyramid?
GeoSApyramidday31.notebook
6
April25,2017
Apr184:19PM
6
66
66
64
Wewillcallthebluelinethe"slantheight"HowcanIfindit?
Apr184:19PM
66
66
512_ 6 5.4. +66.
SA=pyramid
SA=pyramid
4 Alatfaces+A base.
SA=pyramid Pbase
12_ +A
base.
Thisonlyworksifitisaregularpyramid.
GeoSApyramidday31.notebook
7
April25,2017
Apr184:51PM
square
What'saregularpyramid?
Wheneverthebaseisaregularpolygon,thepyramidisregular.
Apr185:10PM
Isaconeregular?
.
6cm
SA=pyramid Pbase
12_ +A
base.
GeoSApyramidday31.notebook
8
April25,2017
Apr185:13PM
CW31Ingroups,findtheSA
1) .
4in
10
Apr185:13PM
CW31Ingroups,findtheSA
1) .
4in
10
GeoSApyramidday31.notebook
9
April25,2017
Apr185:20PM
2).123
Apr185:20PM
2).123
GeoSApyramidday31.notebook
10
April25,2017
Apr184:39PM
IfitisNOTregular,useanet.
.
84
3
3.
Apr184:39PM
.
84
3
8
8445 5
GeoSApyramidday31.notebook
11
April25,2017
Apr184:39PM
8
8445 5
Arectpyramid
= 122_. 8 + 1
22_. 4 5. .. +48.
= 8 +52 units 2
Apr184:59PM
base base.SA=Ph+2Aprism
SA=pyramid Pbase
12_ +A
base.
GeoSApyramidday31.notebook
12
April25,2017
Apr185:24PM
4.
18cm
20
Apr185:24PM
4.
18cm
20
GeoSApyramidday31.notebook
13
April25,2017
Apr185:24PM
HW31:SAofpyramidandprismwkst
Showallwork,includingformulas.
Oryouwillhavetodoitagain.
Handbackgroupquizzesandfactorquizzes
Attachments
SAwkstday30.pdf
SMART Notebook
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