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8/10/2019 Hinh hoc 12.ppt
1/18
1. KN V MT TRN XOAY
II-MT NN TRN XOAY
I-S TO THNH MT TRN XOAY
III-MT TR TRN XOAY
2. MT CU
II-GIAO CA MC V MP
I-MC V CC KN LIN QUAN N MC
III-GIAO CA MC V T. TT CA MC
IV-TNH DIN TCH MC & TT KHI CU
Chng II MT NN-MT TR-MT CU
TRNG TRUNG HC PH THNG TN QUI NM HC 2011-2012 TRNG TRUNG HC PH THN
Chng II
MT NN-MT TR-MT CU
MTX MTrMNo
MCCII
BAN KHOA HC C BN
THPT TN QUI
8/10/2019 Hinh hoc 12.ppt
2/18
Chng II MT NN-MT TR-MT CU
1.KHI NIM V MT TRN XOAYMTX MTrMNo MCCII
I-MT TRN XOAY
II-MT NN TRN XOAY
3. Din tch xq
1. nh ngha
2. Hnh v khi nn
4. Th tch khi nn
5. V d
III-MT TR TRN XOAY
V d GSP
Tri mt trn xoay
THPT TN QUI
1.KHI NIM V MT TRN XOAYI-MT TRN XOAY
http://localhost/var/www/apps/conversion/Desktop/BG%20HH12CB_NC/MENU.gsphttp://localhost/var/www/apps/conversion/Desktop/BG%20HH12CB_NC/MENU.gsphttp://localhost/var/www/apps/conversion/Desktop/BG%20HH12CB_NC/MoNon.gsphttp://localhost/var/www/apps/conversion/Desktop/BG%20HH12CB_NC/MoNon.gsphttp://localhost/var/www/apps/conversion/Desktop/BG%20HH12CB_NC/MoNon.gsphttp://localhost/var/www/apps/conversion/Desktop/BG%20HH12CB_NC/MENU.gsp8/10/2019 Hinh hoc 12.ppt
3/18
Chng II MT NN-MT TR-MT CU
1.KHI NIM V MT TRN XOAYMTX MTrMNo MCCII
I-MT TRN XOAY
II-MT NN TRN XOAY
3. Din tch xq
1. nh ngha
2. Hnh v khi nn
4. Th tch khi nn
5. V d
III-MT TR TRN XOAY
V d GSP
Tri mt trn xoay
THPT TN QUI
II-MT NN TRN XOAY1. nh ngha
Cho 2 ng thng v lct nhau ti O v khng vung gcvi nhau. Mt trn xoay sinh bi lkhi quay quanh gi l mt
nn trn xoay (mt nn)gi l trc.
lgi l ng sinh.
r gi l bn knh.
http://localhost/var/www/apps/conversion/Desktop/BG%20HH12CB_NC/MENU.gsphttp://localhost/var/www/apps/conversion/Desktop/BG%20HH12CB_NC/MENU.gsphttp://localhost/var/www/apps/conversion/Desktop/BG%20HH12CB_NC/MoNon.gsphttp://localhost/var/www/apps/conversion/Desktop/BG%20HH12CB_NC/MoNon.gsphttp://localhost/var/www/apps/conversion/Desktop/BG%20HH12CB_NC/MoNon.gsphttp://localhost/var/www/apps/conversion/Desktop/BG%20HH12CB_NC/MENU.gsp8/10/2019 Hinh hoc 12.ppt
4/18
Chng II MT NN-MT TR-MT CU
1.KHI NIM V MT TRN XOAYMTX MTrMNo MCCII
I-MT TRN XOAY
II-MT NN TRN XOAY
3. Din tch xq
1. nh ngha
2. Hnh v khi nn
4. Th tch khi nn
5. V d
III-MT TR TRN XOAY
V d GSP
Tri mt trn xoay
THPT TN QUI
2. Hnh nn v khi nn
Hnh nn gm mt nn v mt y.
Khi nn gm hnh nn v phn bn trong ca n.
II-MT NN TRN XOAY
http://localhost/var/www/apps/conversion/Desktop/BG%20HH12CB_NC/MENU.gsphttp://localhost/var/www/apps/conversion/Desktop/BG%20HH12CB_NC/MENU.gsphttp://localhost/var/www/apps/conversion/Desktop/BG%20HH12CB_NC/MoNon.gsphttp://localhost/var/www/apps/conversion/Desktop/BG%20HH12CB_NC/MoNon.gsphttp://localhost/var/www/apps/conversion/Desktop/BG%20HH12CB_NC/MoNon.gsphttp://localhost/var/www/apps/conversion/Desktop/BG%20HH12CB_NC/MENU.gsp8/10/2019 Hinh hoc 12.ppt
5/18
8/10/2019 Hinh hoc 12.ppt
6/18
Chng II MT NN-MT TR-MT CU
1.KHI NIM V MT TRN XOAYMTX MTrMNo MCCII
I-MT TRN XOAY
II-MT NN TRN XOAY
3. Din tch xq
1. nh ngha
2. Hnh v khi nn
4. Th tch khi nn
5. V d
III-MT TR TRN XOAY
V d GSP
Tri mt trn xoay
THPT TN QUI
4. Th tch ca khi nn
21V rn3
The tch khoin : h
II-MT NN TRN XOAY
http://localhost/var/www/apps/conversion/Desktop/BG%20HH12CB_NC/MENU.gsphttp://localhost/var/www/apps/conversion/Desktop/BG%20HH12CB_NC/MENU.gsphttp://localhost/var/www/apps/conversion/Desktop/BG%20HH12CB_NC/MoNon.gsphttp://localhost/var/www/apps/conversion/Desktop/BG%20HH12CB_NC/MoNon.gsphttp://localhost/var/www/apps/conversion/Desktop/BG%20HH12CB_NC/MoNon.gsphttp://localhost/var/www/apps/conversion/Desktop/BG%20HH12CB_NC/MENU.gsp8/10/2019 Hinh hoc 12.ppt
7/18
Chng II MT NN-MT TR-MT CU
1.KHI NIM V MT TRN XOAYMTX MTrMNo MCCII
I-MT TRN XOAY
II-MT NN TRN XOAY
3. Din tch xq
1. nh ngha
2. Hnh v khi nn
4. Th tch khi nn
5. V d
III-MT TR TRN XOAY
V d GSP
Tri mt trn xoay
THPT TN QUI
5. V d
Trong khng gian cho tam gic vung OIM vung ti I, Gc IOMbng 300v cnh IM=a. Khi quay tam gic OIM quanh cnh gc
vung OI th ng gp khc OIM to thnh mt hnh nn trnxoay.
a. Tnh Sxq.
b. Tnh V.
II-MT NN TRN XOAY
http://localhost/var/www/apps/conversion/Desktop/BG%20HH12CB_NC/MENU.gsphttp://localhost/var/www/apps/conversion/Desktop/BG%20HH12CB_NC/MENU.gsphttp://localhost/var/www/apps/conversion/Desktop/BG%20HH12CB_NC/MoNon.gsphttp://localhost/var/www/apps/conversion/Desktop/BG%20HH12CB_NC/MoNon.gsphttp://localhost/var/www/apps/conversion/Desktop/BG%20HH12CB_NC/MoNon.gsphttp://localhost/var/www/apps/conversion/Desktop/BG%20HH12CB_NC/MENU.gsp8/10/2019 Hinh hoc 12.ppt
8/18
Chng II MT NN-MT TR-MT CU
MTX MTrMNo MCCII1.KHI NIM V MT TRN XOAY
I-MT TRN XOAY
II-MT NN TRN XOAY
3. Din tch xq
1. nh ngha
2. Hnh v khi tr
4. Th tch khi tr
5. V d
III-MT TR TRN XOAY
GSP
III-MT TR TRN XOAY
THPT TN QUI
1. nh ngha
Cho ng thng v ng thng lsong song vi, cch mt khong R. Mt trn xoay sinh bi lkhi
quay quanh gi l mt tr trn xoay (gi tc l mttr).
gi l trc.lgi l ng sinh.r gi l bn knh.
8/10/2019 Hinh hoc 12.ppt
9/18
Chng II MT NN-MT TR-MT CU
MTX MTrMNo MCCII1.KHI NIM V MT TRN XOAY
I-MT TRN XOAY
II-MT NN TRN XOAY
3. Din tch xq
1. nh ngha
2. Hnh v khi tr
4. Th tch khi tr
5. V d
III-MT TR TRN XOAY
GSP
III-MT TR TRN XOAY
THPT TN QUI
2. Hnh tr v khi tr
Hnh tr gm mt tr v hai mt y.Khi tr gm hnh tr v phn bn trong ca n.
8/10/2019 Hinh hoc 12.ppt
10/18
Chng II MT NN-MT TR-MT CU
MTX MTrMNo MCCII1.KHI NIM V MT TRN XOAY
I-MT TRN XOAY
II-MT NN TRN XOAY
3. Din tch xq
1. nh ngha
2. Hnh v khi tr
4. Th tch khi tr
5. V d
III-MT TR TRN XOAY
GSP
III-MT TR TRN XOAY
THPT TN QUI
3. Din tch xung quanh
S 2 r Dien tch mat tru: l
8/10/2019 Hinh hoc 12.ppt
11/18
Chng II MT NN-MT TR-MT CU
MTX MTrMNo MCCII1.KHI NIM V MT TRN XOAY
I-MT TRN XOAY
II-MT NN TRN XOAY
3. Din tch xq
1. nh ngha
2. Hnh v khi tr
4. Th tch khi tr
5. V d
III-MT TR TRN XOAY
GSP
III-MT TR TRN XOAY
THPT TN QUI
4. Th tch khi tr
2V r The tch khoi tru: h
8/10/2019 Hinh hoc 12.ppt
12/18
Chng II MT NN-MT TR-MT CU
MTX MTrMNo MCCII1.KHI NIM V MT TRN XOAY
I-MT TRN XOAY
II-MT NN TRN XOAY
3. Din tch xq
1. nh ngha
2. Hnh v khi tr
4. Th tch khi tr
5. V d
III-MT TR TRN XOAY
GSP
III-MT TR TRN XOAY
THPT TN QUI
5. V d
Trong khng gian, cho hnh vung ABCD cnh a. Gi I, Hln lt l trung im ca cc cnh AB, CD. Khi quay hnh
vung xung quanh trc IH ta c mt hnh tr trnxoay.
a. Tnh Sxq.
b. Tnh V.
8/10/2019 Hinh hoc 12.ppt
13/18
Chng II MT NN-MT TR-MT CU
MTX MTrMNo MCCII
2. MT CU
I-MC V CC KN
3. Biu din mt cu
1. Mt cu
2. Cc thut ng
II-GIAO CA MC V MP
III-GIAO CA MC VI T
IV-DIN TCH_TH TCH
THPT TN QUI
1. nh ngha
C, D l hai im trn
mc, CD gi l dy cung.
A, B l hai im trn
mc v O thuc AB, AB
gi l dy cung.
Mc c xc nh khi
bit tm v bn knh hocng knh.
S O,r M| OM r
8/10/2019 Hinh hoc 12.ppt
14/18
Chng II MT NN-MT TR-MT CU
MTX MTrMNo MCCII
2. MT CU
I-MC V CC KN
3. Biu din mt cu
1. Mt cu
2. Cc thut ng
II-GIAO CA MC V MP
III-GIAO CA MC VI T
IV-DIN TCH_TH TCH
THPT TN QUI
2. im nm trong, nm ngoi mt cu. Khi cu
Cho mt cu S(O,r) v mt im A.
a. OA=r: A nm trn mt cu.
b. OAr: A nm ngoi mt cu.
d. Tp hp cc im thuc mt cu
v cc im nm trong mt cu c
gi l khi cu hay hnh cu.
S O,r M | OM r
8/10/2019 Hinh hoc 12.ppt
15/18
Chng II MT NN-MT TR-MT CU
MTX MTrMNo MCCII
2. MT CU
I-MC V CC KN
3. Biu din mt cu
1. Mt cu
2. Cc thut ng
II-GIAO CA MC V MP
III-GIAO CA MC VI T
IV-DIN TCH_TH TCH
THPT TN QUI
3. Biu din mt cu
8/10/2019 Hinh hoc 12.ppt
16/18
Chng II MT NN-MT TR-MT CU
MTX MTrMNo MCCII
2. MT CU
I-MC V CC KN
3. Biu din mt cu
1. Mt cu
2. Cc thut ng
II-GIAO CA MC V MP
III-GIAO CA MC VI T
IV-DIN TCH_TH TCH
THPT TN QUI
2. V tr tng i gia mt cu v mt phng
Cho mc(S) v mp(P),
H l hnh chiu ca O ln (P), d=OH
a. dr: (P)
(S)=
8/10/2019 Hinh hoc 12.ppt
17/18
Chng II MT NN-MT TR-MT CU
MTX MTrMNo MCCII
2. MT CU
I-MC V CC KN
3. Biu din mt cu
1. Mt cu
2. Cc thut ng
II-GIAO CA MC V MP
III-GIAO CA MC VI T
IV-DIN TCH_TH TCH
THPT TN QUI
3. V tr tng i gia mt cu v ng thng
Cho mc(S) v t()
H l hnh chiu ca O ln (), d=OH
a. dr: (P)(S)=
8/10/2019 Hinh hoc 12.ppt
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Chng II MT NN-MT TR-MT CU
MTX MTrMNo MCCII
2. MT CU
I-MC V CC KN
3. Biu din mt cu
1. Mt cu
2. Cc thut ng
II-GIAO CA MC V MP
III-GIAO CA MC VI T
IV-DIN TCH_TH TCH
THPT TN QUI
4. Din tch mt cu v th tch khi cu
2
3
S 4 r
4V r
3
Dien tch mat cau:
The tch khoi cau :