Предмет: Математика, автор: kiselevasofia

Помогите срочно пожалуйста!!!!100 баллов даю!
Около шара описана правильная треугольная успченная пирамида, стороны основания которой а и б. Найдите площаь боковой поверзности пирамиды.

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Автор ответа: Denik777

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