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zhuklara [117]
3 years ago
14

The points (-3,-1) and (-3,5) are adjacent vertices of a rectangle. Two of the sides of the rectangle have a length of 8 units.

What is the length of a diagonal of the rectangle?
Mathematics
1 answer:
taurus [48]3 years ago
6 0

Answer:

The answer to your question is 10 units

Step-by-step explanation:

Data

A (-3, -1)

B (-3 , 5)

length of a side = 8 units

Process

1.- Calculate the distance between A and B

dAB = \sqrt{(x2 - x1)^{2} + (y2 - y1)^{2}}

x1 = -3     y1 = -1

x2 = -3    y2 = 5

-Substitution

dAB = \sqrt{(-3 + 3)^{2}+ (5 + 1)^{2}}

dAB = \sqrt{0^{2} + 6^{2}}

dAB = \sqrt{36}

dAB = 6 u

2.- Calculate the diagonal using the Pythagorean theorem.

    c² = a² + b²

    c² = 6² + 8²

    c² = 36 + 64

    c² = 100

    c = 10 units

- Conclusion

The diagonal of the rectangle measures 10 units

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