Find the distance between the points A(-4, -3) and B(-8, 7). Round your answers to the nearest tenth.
1 answer:
Answer:
distance = 10.8
Step-by-step explanation:
the distance between 2 points is the Hypotenuse of the right angled triangle of the x and y coordinate differences.
so, Pythagoras is used.
c² = a² + b²
c = the Hypotenuse (the side of the triangle being opposite to the 90 degree angle).
x- difference : -4 - -8 = +4
y- difference : -3 - 7 = -10
c² = +4² + (-10)² = 16 + 100 = 116
c = sqrt(116) = 10.8
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Step-by-step explanation:
B=A*(-2)
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