Answer:
A. D=sqrt( (x2-x1)^2+(y2-y1)^2 )
Step-by-step explanation:
The distance between two points is the root of the sum of the squares of the differences in their corresponding coordinates. The equation of choice A is the usual formulation.
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<em>Comment on answer choices</em>
Because the square of a number is the same as the square of its opposite, the formula in choice D is also correct.
Answer:
Step-by-step explanation:
2.72 is the unit rate
Answer:
sorry I dont know
Step-by-step explanation:
Answer:
-17.8884
Step-by-step explanation:
- 6.444 - 3.2222 - 8.2222 = -17.8884
Answer:

Step-by-step explanation:
see the attached figure to better understand the problem
we know that
The area of triangle ABC applying the law of sines is equal to

substitute the given values

