SΔABC = 24 , S=1/2 a*h
24=1/2*a*3
48=3a
a=16=AC , тогда OC=1/2AC=1/2*16=8 см
C ΔBOC (∠BOC=90°) BC²=BO²+OC²
BC²=3²+8²=9+64=73
BC=√73
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SΔABC = 24 , S=1/2 a*h
24=1/2*a*3
48=3a
a=16=AC , тогда OC=1/2AC=1/2*16=8 см
C ΔBOC (∠BOC=90°) BC²=BO²+OC²
BC²=3²+8²=9+64=73
BC=√73
2)
3)