a) d ab = √(xb - xa)² + (yb - ya)²
d ab = √(6 - 6)² + [5 - (-3)]²
d ab = √0 + [5 + 3]²
d ab = √ 64
d ab = 8
b) d ab = √(xb - xa)² + (yb - ya)²
d ab = √[7 - (-1)]² + (9 - 3)²
d ab = √ [7 + 1]² + 6²
d ab = √64 + 36
d ab = √100
d ab = 10
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a) d ab = √(xb - xa)² + (yb - ya)²
d ab = √(6 - 6)² + [5 - (-3)]²
d ab = √0 + [5 + 3]²
d ab = √ 64
d ab = 8
b) d ab = √(xb - xa)² + (yb - ya)²
d ab = √[7 - (-1)]² + (9 - 3)²
d ab = √ [7 + 1]² + 6²
d ab = √64 + 36
d ab = √100
d ab = 10