Find the value of y for which the distance between the point P(4,-6) and Q(20,y) is 20 units
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GIVEN :–
• Points are P(4,-6) and Q(20,y).
• Distance between them is 20 unit.
TO FIND :–
• Value of 'y' = ?
SOLUTION :–
• We know that Distance between two points is –
• Here –
• Now put the values –
• Square on both sides –
• Hence , The value of 'y' is 6 'or' -18.
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