Предмет: Геометрия, автор: bohdanljachko

зная сторону основания 9 см и боковое ребро 6 см найти высоту правильной треугольной пирамиды

Ответы

Автор ответа: 9494948383939

R=9/√3
И по теореме Пифагора найти высоту:
H=√(36-81/3)=√(36-27)=√9=3
Ответ: 3

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