Ру/Uz

Matematika

1

Muntazam to’rtburchakli prizmaning balandligi 3 ga, hajmi 48 ga teng. Pastki va ustki asoslarining qarama-qarshi yon yoqlarida yotuvchi qirralari orqali tekislik o’tkazildi. Shu kesimning yuzini toping.

A
25
B
20
C
15
D
12
2

To’rtburchakli muntazam prizmaning diagonali 22 ga, asosining yuzi 144 ga teng. Prizmaning balandligini toping.

A
20
B
26
C
16
D
14
3

A
18
B
C
D
16
4

Asosi kvadrat bo’lgan to’g’ri burchakli parallelepiped uchun nechta simmetriya tekisligi mavjud?

A
7
B
9
C
5
D
3
5

To’g’ri burchakli parallelepiped asosining tomonlari 7sm va 24 sm. Parallelepipedning balandligi 8 sm. Diagonal kesimining yuzini toping.

A
100
B
1344
C
168
D
200
6

Chiziqli o’lchovlari 3;4 va 2√14 sm bo’lgan to’g’ri burchakli parallelepipedning diagonali necha sm?

A
9
B
8
C
7
D
10
7

A
12√2
B
22
C
18
D
16
8

Usta muayyan ishni 12 kunda, uning shogirdi esa 30 kunda bajaradi. Agar 3 ta usta va 5 ta shogird birga ishlasalar, o’sha ishni necha kunda bajarishadi?

A
2,5
B
1,2
C
3,6
D
2,4
9

A
2 marta kamayadi
B
C
o’zgarmaydi
D
2 marta ortadi
10

A
B
C
D
11

A
B
C
D
12

To’rtburchakli muntazam prizmaning balandligi 4 ga, diagonali √34 ga teng. Prizmaning yon sirtini toping.

A
42
B
38
C
34
D
48
13

Ixtiyoriy to’g’ri burchakli parallelepiped uchun kamida nechta simmetriya tekisligi mavjud?

A
5
B
3
C
4
D
2
14

A
16
B
C
D
4
15

Muntazam to’rtburchakli prizmaning yon sirti 160 ga, to’la sirti 210 ga teng. Shu prizma asosining diagonalini toping.

A
B
C
D