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belka [17]
3 years ago
11

In a right triangle, the hypotenuse has endpoints P(–3, 2) and Q(1, –3). On a coordinate plane, line P Q has points (negative 3,

2) and (1, negative 3). If R represents the third vertex in the triangle and R is located in the third quadrant, what is the length of PR?
Mathematics
2 answers:
Marina CMI [18]3 years ago
6 0

<u><em>Answer:</em></u>

<u><em>The length of PR is 5 units.</em></u>

<u><em>Step-by-step explanation:</em></u>

<u><em></em></u>

mrs_skeptik [129]3 years ago
4 0

Answer:

The length of PR is 5 units

Step-by-step explanation:

Here, we want to calculate the length of PR

Since PQ is the hypotenuse, it means that the right-angle would be between lines PR and RQ

Also, since R is on the third quadrant, then its coordinates are (-x,-y)

To get the coordinates of R since we know that we need a right angle, we drop a straight vertical line through P and a straight horizontal line through Q

What this mean is that the coordinates of R will take the x-coordinate of the point P and the y-coordinate of the point Q

Hence, we have that the coordinates of the point R is (-3,-3)

Now, we want to calculate the length of PR

PR will be the distance between the points P and R

Mathematically, to get this, we use the distance formula

That will be;

√(y2-y1)^2 + (x2-x1)^2

Thus, we have

√(2-(-3)^2 + (-3-(-3))^2

= √5^2 + 0^2

= √25 = 5 units

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