To’rtburchakli muntazam piramidaning hajmi 48 ga balandligi 4 ga teng. Piramida yon sirtining yuzini toping.
A
60
B
144
C
120
D
96
2
Qirrasi 6 ga teng kub ABC uchburchak tekisligi bilan ikki bo’lakka bo’lingan. Kichik bo’- lakning hajmini toping.
A
49
B
25
C
64
D
36
3
To’rtburchakli muntazam piramida asosining tomoni 4 marta kattalashtirildi, balandligi esa 4 marta kichiklashtirildi. Hosil bo’lgan piramida hajmining dastlabki piramida hajmiga nisbatini toping.
A
4 : 1
B
16 : 1
C
1 : 1
D
1 : 16
4
Paralelepiped ostki asosining diagonali va ustki asosining unga qarama - qarshi uchi orqali tekislik o’tkazilgan. Bu tekislik parallelepepedni ikkita jismga ajratadi. Shu jismlardan biri piramidadan iborat. Parallelepiped hajmining piramida hajmiga nisbatini toping.
A
4 : 1
B
3 : 1
C
5 : 1
D
6 : 1
5
Hajmi 1296 bo’lgan to’rtburchakli muntazam piramida asosining tomoni 18 ga teng. Piramida yon sirtining yuzini toping.
A
1080
B
360
C
540
D
900
6
Qirrasi 5 ga teng kub ABC uchburchak tekisligi bilan ikki bo’lakka bo’lingan. Kichik bo’- lakning hajmini toping.
A
B
C
D
7
Uchburchakli piramidaning yon qirralari o’zaro perpendikulyar hamda uzunliklari a,b va c ga teng. Piramidaning hajmini toping.
A
B
C
D
8
Hajmi 48 bo’lgan to’rtburchakli muntazam piramida asosining tomoni 6 ga teng. Piramida yon sirtining yuzini toping.
A
72
B
60
C
144
D
120
9
Uchburchakli piramidaning yon qirralari o’zaro perpendikulyar hamda mos ravishda 4; 6 va 8 ga teng. Piramidaning hajmini toping.
A
48
B
64
C
32
D
24
10
SABC piramidaning SBC yon yog’ining yuzi 60 ga teng. Bu yon yoq A uchidan 8 ga teng masofada joylashgan. Piramidaning hajmini toping.
A
120
B
160
C
170
D
150
11
To’rtburchakli muntazam piramida asosining tomoni 2 marta kattalashtirildi, balandligi esa 2 marta kichiklashtirildi. Hosil bo’lgan piramida hajmining dastlabki piramida hajmiga nisbatini toping.
A
1 : 4
B
2 : 1
C
1 : 1
D
4 : 1
12
Qirrasi 1 ga teng bo’lgan kub yoqlarining markazlari tutashtirildi. Hosil bo’lgan jismning hajmini toping.
A
B
C
D
13
A
8
B
4
C
6
D
12
14
To’rtburchakli muntazam piramida asosining tomoni 3 marta kattalashtirildi, balandligi esa 3 marta kichiklashtirildi. Hosil bo’lgan piramida hajmining dastlabki piramida hajmiga nisbatini toping.
A
1 : 3
B
9 : 1
C
1 : 9
D
3 : 1
15
Muntazam to’rtburchakli piramidaning balandligi 9 ga, diagonal kesimning yuzi 36 ga teng. Piramidaning hajmini toping.