Предмет: Математика, автор: Fernandala

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Автор ответа: ulazaikina

0

Ответ:

R=a/корень из 3

6=a/корень из 3

а=6корней из 3

h=a*кореней из 3 /2

h=6корень из 3 *корень из 3 /2

6*3/2=3*3=9

ответ 9

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