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nataly862011 [7]
3 years ago
15

Is quadrilateral ABCD a square? Show your work.

Mathematics
2 answers:
Yuri [45]3 years ago
5 0

Answer:

The answer to your question is Yes, it is a square.

Step-by-step explanation:

Data

From the picture

A (8, 3)

B (7, 8)

C (2, 7)

D (3, 2)

Process

-Use the formula of the distance between two points.

-Calculate the distance between  AB, BC, CD, DA

Formula

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

1.- Distance between AB

dAB = \sqrt{(7 - 8)^{2}+ (8 - 3)^{2}}

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

dAB = \sqrt{1 + 25}

dAB = \sqrt{26}

2.- Distance between BC

dBC = \sqrt{(2 - 7)^{2}+ (7 - 8)^{2}}

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

dBC = \sqrt{25 + 1}

dBC = \sqrt{26}

3.- Distance between CD

dCD = \sqrt{(3 - 2)^{2}+ (2 - 7)^{2}}

dCD = \sqrt{(1)^{2}+ (5)^{2}}

dCD = \sqrt{1 + 25}

dCD = \sqrt{26}

4.- Distance between AD

dAD = \sqrt{(3 - 8)^{2}+ (2 - 3)^{2}}

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

dAD = \sqrt{25 + 1}

dAD = \sqrt{26}

5.- Conclusion

The quadrilateral ABCD is a square because dAB = dBC = dCD = dDA

stepladder [879]3 years ago
3 0

Answer:

yes

Step-by-step explanation:

yes, the slope and distance from each side is equal to another

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