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Question-206956




Question Number 206956 by mr W last updated on 01/May/24
Commented by mr W last updated on 01/May/24
find the radius of circle.
findtheradiusofcircle.
Answered by Frix last updated on 01/May/24
3 points given   ((0),(0) )      ((0),(6) )      (((12)),((12)) )  ⇒ Triangle with sides  6     6(√5)     12(√2)  ⇒ R=3(√(10))
3pointsgiven(00)(06)(1212)Trianglewithsides665122R=310
Commented by mr W last updated on 01/May/24
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Answered by mr W last updated on 01/May/24
Commented by mr W last updated on 01/May/24
BC=(√((6+4+2)^2 +(4+2)^2 ))=6(√5)  R=((BC)/(2 sin A))=((6(√5))/(2×((√2)/2)))=3(√(10))
BC=(6+4+2)2+(4+2)2=65R=BC2sinA=652×22=310

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