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In the rectangular coordinate system above, the area in the shaded reg

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Math Expert
Joined: 02 Sep 2009
Posts: 53795
In the rectangular coordinate system above, the area in the shaded reg  [#permalink]

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16 Dec 2017, 01:28
00:00

Difficulty:

5% (low)

Question Stats:

91% (00:54) correct 9% (00:55) wrong based on 49 sessions

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In the rectangular coordinate system above, the area in the shaded region is

(A) 1 1/2
(B) 2
(C) 2 1/2
(D) 3
(E) 4

Attachment:

2017-12-15_1301.png [ 4.71 KiB | Viewed 926 times ]

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Joined: 24 Nov 2016
Posts: 152
Re: In the rectangular coordinate system above, the area in the shaded reg  [#permalink]

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16 Dec 2017, 11:36
Bunuel wrote:

In the rectangular coordinate system above, the area in the shaded region is

(A) 1 1/2
(B) 2
(C) 2 1/2
(D) 3
(E) 4

Attachment:
2017-12-15_1301.png

Am I missing something?

Area of triangle: $$\frac{base*height}{2}$$

Area of shaded region: Area of large triangle - Area of small triangle

Area of small triangle: $$\frac{(1*1)}{2}=\frac{1}{2}$$

Area of large triangle: $$\frac{2*height}{2}=height$$

Area of shaded region: $$height$$ $$- \frac{1}{2}$$
Re: In the rectangular coordinate system above, the area in the shaded reg   [#permalink] 16 Dec 2017, 11:36
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