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# In a rectangular coordinate system, what is the area of a rectangle

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Math Expert
Joined: 02 Sep 2009
Posts: 64116
In a rectangular coordinate system, what is the area of a rectangle  [#permalink]

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30 Jun 2016, 06:55
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5% (low)

Question Stats:

94% (01:16) correct 6% (01:07) wrong based on 67 sessions

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In a rectangular coordinate system, what is the area of a rectangle whose vertices have the coordinates (-4, 1), (1, 1), (1, -3) and (-4, -3)?

A. 16
B. 20
C. 24
D. 25
E. 30

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Re: In a rectangular coordinate system, what is the area of a rectangle  [#permalink]

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30 Jun 2016, 07:24

Refer to the diagram, the rectangle is of length 4 and width 5 . So Area = 4*5 = 20
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Re: In a rectangular coordinate system, what is the area of a rectangle  [#permalink]

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30 Jun 2016, 08:08
Bunuel wrote:
In a rectangular coordinate system, what is the area of a rectangle whose vertices have the coordinates (-4, 1), (1, 1), (1, -3) and (-4, -3)?

A. 16
B. 20
C. 24
D. 25
E. 30

Length of side 1= 4+1=5
Length of side 2= 3+1= 4

Area of rectangle= 5*4= 20

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Re: In a rectangular coordinate system, what is the area of a rectangle   [#permalink] 30 Jun 2016, 08:08