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02 May 2016, 23:28
Kudos
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B
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
25%
(medium)
Question Stats:
73% (02:10) correct
27%
(02:15)
wrong
based on 92
sessions
History
Date
Time
Result
Not Attempted Yet
What is the area of the region of diagram?
A. 8+(3π/2)
B. 10+(3π/2)
C. 8+3π
D. 10+3π
E. 8+6π
* A solution will be posted in two days.
A. 8+(3π/2)
B. 10+(3π/2)
C. 8+3π
D. 10+3π
E. 8+6π
* A solution will be posted in two days.
Attachments
없음4.png [ 16.66 KiB | Viewed 2981 times ]
03 May 2016, 12:13
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Area of rectangular region (shaded portion in the attachment) = 4 * 2 + 1 * 2 = 10
Area of semi-circular region = 3*(pi*1^2)/2 = 1.5pi
Total area = 10 + 1.5pi
Answer: B
Area of semi-circular region = 3*(pi*1^2)/2 = 1.5pi
Total area = 10 + 1.5pi
Answer: B
Attachments
IMG_20160504_003643.jpg [ 1.82 MiB | Viewed 2985 times ]
Alex75PAris
Joined: 16 Mar 2016
Last visit: 08 Mar 2017
Posts: 98
Own Kudos:
Location: France
Schools: Marshall '19 Darden '19 HKUST '19 Anderson '19
GMAT 1: 660 Q47 V33
GPA: 3.25
03 May 2016, 13:14
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In this digram you have:
3 semi circles : 3/2 * Pi * R², with R=1
1 rectangle : 4*2
1 square : 1* 2
Sum = 3/2 Pi + 10
3 semi circles : 3/2 * Pi * R², with R=1
1 rectangle : 4*2
1 square : 1* 2
Sum = 3/2 Pi + 10
