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Geo SA pyramid day 31.notebook 1 April 25, 2017 Apr 183:55 PM Warm Ups Day 31 Find the surface area of this toilet paper roll 5 in 2 6 | | Apr 183:55 PM Warm Ups Day 31 Find the surface area of this toilet paper roll 5 in 2 6 | |

Questions on HW 30 wkst? - Bainbridge High School day...Geo SA pyramid day 31.notebook 3 April 25, 2017 Apr 184:09 PM Today we will develop a similar formula to find the SA of a pyramid

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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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