Math, asked by EshaxYuta8441, 11 months ago

Show that the points A(5, 6), B (1, 5), C(2, 1) and D(6, 2) are the vertices of a square.

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Answered by adityajoshi234519
2

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Answered by Anonymous
6

To prove :

Points A(5,6),B(1,5),C(2,1) & D(6,2) are the vertices of the square.

Formula used :

Distance formula,

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

Here (x1, y1) and (x2, y2) are the coordinated of a line segment.

Proof :

For side AB,

A(5,6) & B(1,5)

AB \:  =  \sqrt{ {(1 - 5)}^{2}  +  {(5 - 6)}^{2} }

AB \:   = \sqrt{ {( - 4)}^{2}  +  {( - 1)}^{2} }

AB \:  =  \sqrt{16 + 1}  =  \sqrt{17}

And for side CD,

C(2,1) & D(6,2)

CD \:   = \sqrt{ {(6 - 2}^{2}  +  {(2 - 1)}^{2} }

CD \:  =  \sqrt{ {( 4)}^{2}  +  {(1)}^{2} }

CD \:  =  \sqrt{16 + 1}  =  \sqrt{17}

As AB =CD

similarly the value of all the sides are equal.

AB =BC=CD=AD= \sqrt{17}

Hence, proved that it is a square.

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