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vagabundo [1.1K]
3 years ago
14

Choose the best selection for the

Mathematics
1 answer:
Andrej [43]3 years ago
7 0

The quadrilateral with vertices at the  points: (0,0), (3,2), (6,0), (3,-2) is a square

The vertices (or coordinates) of the quadrilateral is given as:

(x,y) = (0,0), (3,2), (6,0), (3,-2)

Calculate the distance between subsequent points, using the following distance formula

d = \sqrt{(x_2 -x_1)^2 + (y_2 -y_1)^2}

So, we have:

AB = \sqrt{(0 -3)^2 + (0 -2)^2}

AB = \sqrt{13}

BC = \sqrt{(3 -6)^2 + (2 -0)^2}

BC = \sqrt{13}

CD = \sqrt{(6 -3)^2 + (0 --2)^2}

CD = \sqrt{13}

DA = \sqrt{(3 -0)^2 + (-2 -0)^2}

DA = \sqrt{13}

Notice that the sides of the quadrilateral are congruent.

Hence, the quadrilateral is a square

Read more about quadrilaterals at:

brainly.com/question/1543115

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Answer:

The width of the building is 50 lamps and 60 lamps will be needed.

Step-by-step explanation:

The perimeter is computed by the sum of the sides of the building, since the length and width are equal on the oposite sides of the building, the perimeter is given by:

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number o lamps = 900/15 = 60 lamps

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