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# What is the area of the square ABCD?

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Math Expert
Joined: 02 Sep 2009
Posts: 47166
What is the area of the square ABCD?  [#permalink]

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24 Oct 2017, 01:48
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Difficulty:

5% (low)

Question Stats:

97% (00:14) correct 3% (00:36) wrong based on 60 sessions

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What is the area of the square ABCD?

(A) 10
(B) 18
(C) 24
(D) 36
(E) 48

Attachment:

2017-10-24_1216_003.png [ 12.27 KiB | Viewed 1071 times ]

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Re: What is the area of the square ABCD?  [#permalink]

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24 Oct 2017, 01:54
1
D

The distance between (-1) to (5) on X-axis is 6.
The distance between (2) to (8) on Y-axis is 6.

So, the area is 6*6 = 36
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Re: What is the area of the square ABCD?  [#permalink]

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24 Oct 2017, 02:28
As the question mentions that ABCD is a square, we only need to know any one side of the square.

The distance between A and B = 8 - 2 = 6
Hence, the area of the square = 6^2 = 36.

Ans: D.
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Re: What is the area of the square ABCD?  [#permalink]

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24 Oct 2017, 04:48
The distance between C(5,8) to D (5,2) is 6
So Area = 6*6 = 36

Any 2 points distance can be taken to calculate the area since this is a Square
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Re: What is the area of the square ABCD?  [#permalink]

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26 Oct 2017, 15:46
Bunuel wrote:

What is the area of the square ABCD?

(A) 10
(B) 18
(C) 24
(D) 36
(E) 48

We see that the length of either side BA or side CD represents the difference between the y-coordinates.

Thus, side BA = side CD = 8 - 2 = 6.

We also see that the length of either side BC or side AD represents the difference between the x-coordinates.

Thus, side BC = side AD = 5 - (-1) = 6.

So, the area is 6 x 6 = 36.

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Re: What is the area of the square ABCD? &nbs [#permalink] 26 Oct 2017, 15:46
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