Răspuns:
AB este perpendicular pe BC?
=>∆ABCdreptughic =>AC diametru
AC=√9+16=√25=5=>raza=2,5
OA+OB+OC=2,5+2,5+2,5=7,5cm a)
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Răspuns:
AB este perpendicular pe BC?
=>∆ABCdreptughic =>AC diametru
AC=√9+16=√25=5=>raza=2,5
OA+OB+OC=2,5+2,5+2,5=7,5cm a)