Answers

2015-10-05T16:46:32+05:30
SA = (4 -9)² + (3-3)² =-5² + 0=25 UNITS
SB = (4-7)² + (3+1)² =-3² +4² = 9 +16 =25 UNITS
SC = (4-1)² + (3 +1)² = 3² + 4² = 9 + 16 = 25 UNITS

SA=SB=SC
THEREFORE (4,3) IS THE CENTRE OF THE CIRCLE
RADIUS=25 UNITS
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