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24 Nov 2018, 23:34
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D
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
45%
(medium)
Question Stats:
55% (00:56) correct
45%
(01:20)
wrong
based on 66
sessions
History
Date
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Not Attempted Yet
Attachment:
Geometry.JPG [ 4.33 KiB | Viewed 2979 times ]
The figure shows a rectangle with a triangle inscribed in it. What is the area of the rectangle?
1. The area of the shaded region in 40.
2. The area of the non-shaded region is 40.
Source: Experts Global
24 Nov 2018, 23:46
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(1): 1/2*w*l=40, so w*l (area of rect.) is 80. sufficient.
(2): 1/2(wa)+1/2(wb)=40; a+b=l -> w(a+b)=w*l=80; so, sufficient.
D is the answer.
(2): 1/2(wa)+1/2(wb)=40; a+b=l -> w(a+b)=w*l=80; so, sufficient.
D is the answer.
24 Nov 2018, 23:49
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pushpitkc
Rectangle with a triangle inscribed in it
Area of triangle will 1/2 of the area of Rectangle
Bcoz Area of triangle =(1/2)bh and area of rectangle =l*b
Hence here b=l
therefore area of triangle will 1/2 of the area of Rectangle
1. The area of the shaded region in 40.
Here Area of triangle =40
Area of rectangle =80
2. The area of the non-shaded region is 40.
Area of rectangle =80
Hence D
