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# The figure above represents a rectangular desk blotter in a holder wit

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Math Expert
Joined: 02 Sep 2009
Posts: 55803
The figure above represents a rectangular desk blotter in a holder wit  [#permalink]

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09 Jan 2019, 02:43
00:00

Difficulty:

25% (medium)

Question Stats:

93% (01:34) correct 7% (01:15) wrong based on 16 sessions

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The figure above represents a rectangular desk blotter in a holder with dimensions shown. If x = 8 centimeters, what is the area, in square centimeters, of the shaded portion of the blotter?

(A) 4,200
(B) 4,184
(C) 4,124
(D) 4,072
(E) 3,944

Attachment:

2019-01-09_1341.png [ 9.78 KiB | Viewed 241 times ]

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Re: The figure above represents a rectangular desk blotter in a holder wit  [#permalink]

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09 Jan 2019, 03:37
Bunuel wrote:

The figure above represents a rectangular desk blotter in a holder with dimensions shown. If x = 8 centimeters, what is the area, in square centimeters, of the shaded portion of the blotter?

(A) 4,200
(B) 4,184
(C) 4,124
(D) 4,072
(E) 3,944

Attachment:
2019-01-09_1341.png

total area = 84*50 = 4200

and we have 4 isoscles triangle so 0.5*4*8*8 = 128

shaded area = 4200-128 ; 4072 IMO D
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Re: The figure above represents a rectangular desk blotter in a holder wit   [#permalink] 09 Jan 2019, 03:37
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