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26 Apr 2020, 11:02
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In the given figure, O is the centre of the circle and RQ is the diagonal of the quadrilateral PQRS. Find the area of PQRS.
(1) Area of triangle ORS = 30 unit sq
(2) PS is the diameter of circle with angle ROS = 90 degree
(1) Area of triangle ORS = 30 unit sq
(2) PS is the diameter of circle with angle ROS = 90 degree
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Screenshot 2020-04-26 at 11.31.58 PM.png [ 69.15 KiB | Viewed 4647 times ]
26 Apr 2020, 14:15
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Kritisood
In the given figure, O is the centre of the circle and RQ is the diagonal of the quadrilateral PQRS. Find the area of PQRS.
(1) Area of triangle ORS = 30 unit sq
(2) PS is the diameter of circle with angle ROS = 90 degree
(1) Area of triangle ORS = 30 unit sq
(2) PS is the diameter of circle with angle ROS = 90 degree
Note we do not know if PQRS is a square yet. We can only confirm it is a rectangle.
Statement 1:
We don't know anything about QOS, insufficient.
Statement 2:
Now we can confirm PQRS is a square. We have no lengths however so insufficient.
Combined:
The area of PQRS is 30 * 4. Sufficient.
Ans: C
27 Apr 2020, 11:25
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TestPrepUnlimited
Kritisood
In the given figure, O is the centre of the circle and RQ is the diagonal of the quadrilateral PQRS. Find the area of PQRS.
(1) Area of triangle ORS = 30 unit sq
(2) PS is the diameter of circle with angle ROS = 90 degree
(1) Area of triangle ORS = 30 unit sq
(2) PS is the diameter of circle with angle ROS = 90 degree
Note we do not know if PQRS is a square yet. We can only confirm it is a rectangle.
Statement 1:
We don't know anything about QOS, insufficient.
Statement 2:
Now we can confirm PQRS is a square. We have no lengths however so insufficient.
Combined:
The area of PQRS is 30 * 4. Sufficient.
Ans: C
Hey, how can we confirm from statement 2 that PQRS is a sq? we don't know about POQ or QOS.
