Akam
Yangi Akam
Ру
/
Uz
Matematika
1
Muntazam uchburchakli piramidaning balandligi 4 ga, asosining balandligi esa 4,5 ga teng. Piramidaning yon qirrasini toping.
A
6
B
5
C
5, 5
D
6, 5
Xatolik topdim
2
A
10
B
5
C
100
D
25
Xatolik topdim
3
A
9
B
6
C
8
D
7
Xatolik topdim
4
Muntazam tetraedrning qirrasi 1 ga teng. Uning asosiga tashqi chizilgan aylananing markazidan uning yon yog’igacha bo’lgan masofani toping.
A
B
C
D
Xatolik topdim
5
Muntazam tetraedrning uchrashmaydigan (ayqash) qirralari orasidagi burchakni toping.
A
B
C
D
Xatolik topdim
6
Muntazam to’rtburchakli piramidaning balandligi 24 ga, asosining tomoni esa 14 ga teng. Uning apofemasini toping.
A
25
B
32
C
27
D
18
Xatolik topdim
7
Oktaedrning qirrasi a ga teng. Uning to’la sirtini hisoblang.
A
B
C
D
Xatolik topdim
8
Muntazam piramida yon sirtining yuzi 48 ga, apofemasi 8 ga teng. Piramida asosining perimetrini toping.
A
8
B
12
C
6
D
10
Xatolik topdim
9
Muntazam uchburchakli piramidaning balandligi 4 ga, asosining balandligi esa 4,5 ga teng. Piramidaning yon qirrasini toping.
A
5
B
6
C
6, 5
D
5, 5
Xatolik topdim
10
Muntazam to’rtburchakli piramidaning balandligi 6 sm, apofemasi esa 6, 5 sm. Piramida asosining perimetrini toping.
A
10
B
20
C
12
D
24
Xatolik topdim
11
Muntazam piramida yon sirtining yuzi 96 ga, asosining perimetrini 24 ga teng. Piramidaning apofemasini toping.
A
8
B
6
C
10
D
16
Xatolik topdim
12
Muntazam to’rtburchakli piramidaning balandligi 12 ga, asosining tomoni 10 ga teng. Piramidaning apofemasini hisoblang.
A
15
B
13
C
16
D
14
Xatolik topdim
13
Qirrasi 4 ga teng bo’lgan muntazam tetraedrning to’la sirti qanday yuzaga ega bo’ladi?
A
16√3
B
24√2
C
8√3
D
16√2
Xatolik topdim
14
A
8
B
−4
C
12
D
6
Xatolik topdim
15
Muntazam piramidaning yon sirti 24 ga, asosining yuzi 12 ga teng. Piramidaning yon yog’i bilan asos tekisligi orasidagi burchakni toping.
A
B
C
D
Xatolik topdim