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If A = (10,4) and B = (2, 19), what is the length of AB?

A. 17 units
B. 23 units
C. 15 units
D. 12 units

2 Answers

5 votes

Answer:17

Step-by-step explanation:I just took the test

User Satish Marathe
by
8.0k points
7 votes

Answer:

Opt A. 17

Explanation:

This is the distance between two points, which can be obtained with following equation.


d=\sqrt{(x_(2)-x_(1))^2 +(y_(2)-y_(1))^2}

Where (x2,y2)=(10,4) and (x1,y1)=(2,19)

Therefore, if we develop a little with the following:

(10-2)^2=(8)^2=64

(4-19)^2=(-15)^2=225

Evaluating that in the equation, we have: sqrt(64+125)= sqrt(289)=17

That is the distance between those points.

User Andrew
by
7.7k points

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