Find the distance, d, of AB. A = (2, 1) B = (-4, 7) d = [?] Round to the nearest tenth.
Find the distance, d, of AB. A = (2, 1) B = (-4, 7) d = [?] Round to the nearest tenth.
To find the distance d between points A (2, 1) and B (-4, 7), use the distance formula:
d = √((x₂ - x₁)² + (y₂ - y₁)²)
Substitute the given coordinates:
d = √((-4 - 2)² + (7 - 1)²)
d = √((-6)² + (6)²)
d = √(36 + 36)
d = √72
d ≈ 8.5
The distance, rounded to the nearest tenth, is 8.5.
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