Answers

2014-08-28T20:08:13+05:30
By using distance formula,
   take two points B(8,2) and D(p,3)
  distance formula is √(x₂-x₁)²+(y₂-y₁)²
   in point B 8 is x₁ and 2 is y₁
   in point D p is x₂ and 3 is y₂
Now,
     =√(p-3)²+(3-2)²
     =√(p-8)²+(1)²
     =p-8+1
     =p-7
   ⇒p=7
1 5 1