Предмет: Математика, автор: katerinagulyk10

решите пожалуйста, очень нужно

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Ответы

Автор ответа: SuperPuper245

1

Ответ:

CB=BD√2 , BD=4√2 , S=(BD)^2=(4√2)^2=32 , R=OB=(1/2)CB=8/2=4 , r=(1/2)BD=(4√2)/2=2√2

Номер 2. AB=CD=6, AD^2=CD^2+CA^2, AC=8 , S=AC×CD=8×6=48

katerinagulyk10: спасибо, там еще одна задача есть))

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