GRE Prep Club Daily Prep
Thank you for using the timer - this advanced tool can estimate your performance and suggest more practice questions. We have subscribed you to Daily Prep Questions via email.
Customized
for You
Track
Your Progress
Practice
Pays
Not interested in getting valuable practice questions and articles delivered to your email? No problem, unsubscribe here.
The figure above shows a semicircle with center O and a quar
[#permalink]
18 Dec 2020, 11:04
18 Dec 2020, 11:04
Expert Reply
00:00
Question Stats:
90% (01:20) correct
9% (01:16) wrong based on 22 sessions
Hide Show timer Statistics
Attachment:
GRE The figure above shows a semicircle with center O.jpg [ 13.83 KiB | Viewed 2173 times ]
The figure above shows a semicircle with center O and a quarter circle with center R. If OQ = 4 and QR = 6, what is the ratio of the area of the shaded region to the area of the
semicircular region?
(A) 2:3
(B) 4:3
(C) 8:9
(D) 9:4
(E) 9:8
Kudos for the right answer and explanation
Re: The figure above shows a semicircle with center O and a quar
[#permalink]
31 Dec 2020, 23:01
31 Dec 2020, 23:01
1
Carcass wrote:
Attachment:
GRE The figure above shows a semicircle with center O.jpg
The figure above shows a semicircle with center O and a quarter circle with center R. If OQ = 4 and QR = 6, what is the ratio of the area of the shaded region to the area of the
semicircular region?
(A) 2:3
(B) 4:3
(C) 8:9
(D) 9:4
(E) 9:8
Kudos for the right answer and explanation
Radius of semicircle with center O is 4. The area will be (π4^2)/2 --> 8π.
Radius of quarter-circle with center R is 6. The area will be (π6^2)/4 --> 9π.
Ratio of the shaded region to the area of semicircular region is: 9π:8π --> 9:8.
Therefore the correct answer will be option E.
Re: The figure above shows a semicircle with center O and a quar
[#permalink]
01 May 2021, 03:41
01 May 2021, 03:41
Expert Reply
Bump for further discussions
