Konusning hajmi
![Geometriya fani
Mavzu:
Konusning hajmi](/data/documents/5cfe6864-569a-44f6-addb-941fd33ff47b/page_1.png)
![Konus asosining diametri 12 cm, yasovchisi esa 10 cm.
Konus to ‘ la
Sirtining yuzini hisoblang.
Berilgan: d=12 sm
L=10 sm
S
to`la -?
d=2*r
r=12:2=6 sm
S
to`la =Pi*r(r+l)
S
to`la =3.14*6*(6+10)=301.44 sm 2](/data/documents/5cfe6864-569a-44f6-addb-941fd33ff47b/page_2.png)
![Esda tuting!
Ixtiyoriy konus berilgan bo‘lsin. Uning asosiga ichki
A 1 A 2 …An- 1 An ko‘pburchakni chizamiz. Ko‘pburchakning
A 1, A 2, …, An– 1 va An uchlarini konusning uchi S nuqta bilan
tutashtiramiz. Natijada SA 1 A 2 … An– 1 An piramidani hosil
qilamiz. Bu piramida berilgan konusga ICHKI CHIZILGAN
PIRAMIDA deb ataladi.
Konus esa piramidaga TASHQI CHIZILGAN
KONUS deb yuritiladi.](/data/documents/5cfe6864-569a-44f6-addb-941fd33ff47b/page_3.png)
![To`grisini toping.
T/r Formula Mos qismi
1 V=S* H/3 A As os y u za s i
2
S= 2 * Pi * R B To` l a s ir t y u za si
3 S=Pi * R( R+H) C Ha j m](/data/documents/5cfe6864-569a-44f6-addb-941fd33ff47b/page_4.png)
![Quyidagilarni hisoblang](/data/documents/5cfe6864-569a-44f6-addb-941fd33ff47b/page_5.png)
![428. a) Berilgan: R=8.5
H=14
S
to`la -? V-?
L 2
=R 2
+H 2
L 2
=8.5*8.8+14*14=72.25+196
L=16.4
S
to`la =Pi*R(R+L)=3.14*8.5*(8.5+16.4)=26.69*24.9=664.58
1
S
asos =2*Pi*R=2*3.14*8.5=53.38
V=S
asos *H:3=53.38*14:3=249.1](/data/documents/5cfe6864-569a-44f6-addb-941fd33ff47b/page_6.png)
![428. b) Berilgan: R=9.6
H=18
S
to`la -? V-?
L 2
=R 2
+H 2
L 2
=9.6*9.6+18*18=92.16+324
L=20.4
S
to`la =Pi*R(R+L)=3.14*9.6*(9.6+18)=30.144*27.6=832
S
asos =2*Pi*R=2*3.14*9.6=60.3
V=S
asos *H:3=60.3*18:3=361.8](/data/documents/5cfe6864-569a-44f6-addb-941fd33ff47b/page_7.png)
![YERNING RADIUS 6400 KM EKANLIGINI BILGAN
HOLDA UNING O`Q KESiM YUZASINI TOPING
Yechish:
S=Pi*R*R
S=3,14*6400*6400S
=128614400 KvKm](/data/documents/5cfe6864-569a-44f6-addb-941fd33ff47b/page_8.png)
![UYG A VAZ IFA](/data/documents/5cfe6864-569a-44f6-addb-941fd33ff47b/page_9.png)
![E’t ibor ingiz uchun
rahmat !](/data/documents/5cfe6864-569a-44f6-addb-941fd33ff47b/page_10.png)
Geometriya fani Mavzu: Konusning hajmi
Konus asosining diametri 12 cm, yasovchisi esa 10 cm. Konus to ‘ la Sirtining yuzini hisoblang. Berilgan: d=12 sm L=10 sm S to`la -? d=2*r r=12:2=6 sm S to`la =Pi*r(r+l) S to`la =3.14*6*(6+10)=301.44 sm 2
Esda tuting! Ixtiyoriy konus berilgan bo‘lsin. Uning asosiga ichki A 1 A 2 …An- 1 An ko‘pburchakni chizamiz. Ko‘pburchakning A 1, A 2, …, An– 1 va An uchlarini konusning uchi S nuqta bilan tutashtiramiz. Natijada SA 1 A 2 … An– 1 An piramidani hosil qilamiz. Bu piramida berilgan konusga ICHKI CHIZILGAN PIRAMIDA deb ataladi. Konus esa piramidaga TASHQI CHIZILGAN KONUS deb yuritiladi.
To`grisini toping. T/r Formula Mos qismi 1 V=S* H/3 A As os y u za s i 2 S= 2 * Pi * R B To` l a s ir t y u za si 3 S=Pi * R( R+H) C Ha j m
Quyidagilarni hisoblang