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The figure above shows a circular garden plot with center O
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07 Jun 2017, 02:04
07 Jun 2017, 02:04
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#GREpracticequestion The figure above shows a circular garden plot with center O surrounded by a circular sidewalk,.jpg [ 14.69 KiB | Viewed 6836 times ]
The figure above shows a circular garden plot with center O surrounded by a circular sidewalk, also with center O. If the area covered by the garden and sidewalk together is 169p and of the garden alone is 144p, what is the value of t ?
A) 1
B) 2
C) 3
D 5
E) 12.5
Re: The figure above shows a circular garden plot with center O
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20 Sep 2017, 05:48
20 Sep 2017, 05:48
1
The radius of the larger circle is sqrt(169) = 13, while the radius of the inner one is sqrt(144)=12. Thus t = 1. Answer A!
Re: The figure above shows a circular garden plot with center O
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22 Sep 2017, 13:43
22 Sep 2017, 13:43
Carcass wrote:
The figure above shows a circular garden plot with center O surrounded by a circular sidewalk, also with center O. If the area covered by the garden and sidewalk together is 169p and of the garden alone is 144p, what is the value of t ?
A) 1
B) 2
C) 3
D 5
E) 12.5
Here thus p stands for pi?
