4.3.14-masala. Uchburchakli muntazam to’g’ri prizmaning balandligi 8 ga,
asosining perimetri 9
√3
ga teng. Prizma yon yog’ining diagonalini toping?
4.3.15-masala. Prizmaning jami 36 ta qirralari bo’lsa
uning nechta uchi bor va
nechta yon yog’i bor? a+c-b=2
4.3.16-masala. Muntazam piramidaning asosi tomoni a ga teng bo’lgan oltiburchak.
Piramidaning balandligi
H ga teng bo’lsa, yon sirtining yuzini toping?
4.3.17-masala. Muntazam to’rtburchakli kesik piramida asoslarining tomonlari 14
sm va 10 sm, diagonali 18 sm. Kesik piramidaning balandligi necha santimetr?
B 10 C A
10√2
C
10
A D
B
1
C
1
A
1
𝟏𝟒√𝟐
𝟏𝟐√𝟐
C
1
A
1
14 D
1
K
Berilishi: BC=AB=CD=AD=10sm
𝐴
1
𝐵
1
=
𝐵
1
𝐶
1
=
𝐶
1
𝐷
1
=
𝐴
1
𝐷
1
=
14𝑠𝑚
AC
1
= d = 18sm
AK=H=?
Yechish: AC=d
1
=
10√2
va A
1
C
1
=d
2
=
14√2
… J: H=6sm
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