Предмет: Геометрия, автор: Agilshin

4-жаттығу
Егер қиық пирамиданың табанының аудандары 98 және 32 см. кв болса, толық пирамиданың биіктігі 14 см болса, көлемі неге тең?

Ответы

Автор ответа: baganaly
2

Ответ:

қиық пирамида көлемі

V=868 см³

Объяснение:

қиық пирамида көлемі мына формуламен

V=1/3×h ×(S1+S1×S2 +S2)

мұнда S1 және S2 жоғарғы , төмендегі табан аудандары

S1=32см²

S2=98 см²

h=14 см

V=1/3 ×14×(32+√32×98 +98)=1/3 ×14×186=868 см³

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