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PS question related to Circle
In the xy-plane, the point (-2, -3) is the center of a circle. The point (-2, 1) lies inside the circle and the point (4, -3) lies outside the circle. If the radius r of the circle is an integer, then r =
A. 6
B. 5
C. 4
D. 3
E. 2
Can some help me with the above question?
- by pullabhotla
Mon Jun 27, 2011 7:45 am- Forum: Problem Solving
- Topic: PS question related to Circle
- Replies: 3
- Views: 1246
my solution
given hypotenuse, h = 10 cm. Let's say sides be a and b. We have to find out the perimeter = a + b + h. Statement (1) gives us (1/2) * a * b = 25. So we cannot solve for a and b. therefore insufficient. Statement (2) gives us a = b. As the triangle is right angled. asq2 + bsq2 = hsq2 gives us a = b ...
- by pullabhotla
Mon Oct 05, 2009 3:26 am- Forum: Data Sufficiency
- Topic: Triangle Problem Help
- Replies: 6
- Views: 1528
Help with similar triangle problem
Hi, I have a question regarding a similar triangle problem. Please find attached the picture for the problem definition. Problem Description: AB is parallel to CD. Length of AB is 2. Length of CD is x. Distance from AB to CD is y. Distance from AB TO E is x. Question: Construction an equation involv...
- by pullabhotla
Sun Aug 02, 2009 11:43 am- Forum: Problem Solving
- Topic: Help with similar triangle problem
- Replies: 1
- Views: 1003