Hinh hoc 12.ppt

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

[email protected]

THPT TN QUI


2/18


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

[email protected]

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.gsp


3/18



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

[email protected]

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.


4/18



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

[email protected]

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


5/18


6/18



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

[email protected]

THPT TN QUI

4. Th tch ca khi nn

21V rn3

The tch khoin : h

II-MT NN TRN XOAY


7/18



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

[email protected]

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


8/18


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

[email protected]

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.


9/18



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

[email protected]

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.


10/18



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

[email protected]

THPT TN QUI

3. Din tch xung quanh

S 2 r Dien tch mat tru: l


11/18



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

[email protected]

THPT TN QUI

4. Th tch khi tr

2V r The tch khoi tru: h


12/18



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

[email protected]

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.


13/18


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

[email protected]

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


14/18


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

[email protected]

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


15/18


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

[email protected]

THPT TN QUI

3. Biu din mt cu


16/18


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

[email protected]

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)=


17/18


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

[email protected]

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)=


18/18


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

[email protected]

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 :

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Hinh hoc 12.ppt