if A(4,0), B(0,y) and AB=5, FIND THE possible vaue of y
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Heya !!
A(4,0) and B(0,y)
AB = 5
AB = √(x2-x1)²+(y2-y1)²
=> 5 = √(0-4)²+(y-0)²
=> 5 = √(16+y²)
=> (5)² = [√(16+y²)]²
=> 25 = 16+y²
=> y² = 25-16
=> y² = 9
=> y =√9
=> y = 3
A(4,0) and B(0,y)
AB = 5
AB = √(x2-x1)²+(y2-y1)²
=> 5 = √(0-4)²+(y-0)²
=> 5 = √(16+y²)
=> (5)² = [√(16+y²)]²
=> 25 = 16+y²
=> y² = 25-16
=> y² = 9
=> y =√9
=> y = 3
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