Dragon63770
22.06.2019 •
Mathematics
Given the equation  = 5, solve for x and identify if it is an extraneous solution
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Ответ:
36 cm²
Step-by-step explanation:
cos A= (`sqrt(b)` + `sqrt(c)` - `sqrt(a)`)/(2bc)⇒c ≈ 5 cm
Sabc= (1/2)bcsin A ≈ 36 cm²