What is the distance (3,9) and (12,21)
2 answers:
6 and 8 I think I’m not sure
d = 15.
The easiest way to calculate the distance between two point in the space is usign the equation d = √(x₂-x₁)²+(y₂-y₁)².
The distance between the points (3, 9) and (12, 21) is:
d = √(12-3)²+(21-9)² = √(9)²+(12)² = √81+144 = √225 = 15
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