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Hi there, hope my explanation could help you. As O is the center of the circle and P, Q are on the circle => OP = OQ = r (the radius of the circle) The area of the triangle can be calculated by: S = 1/2 sin($$\angle$$ POQ) OP. OQ = 1/2 . $$\frac{\sqrt{2}}{2}$$ . OP . OQ We have S = 12 => the value o...
- by thucanh711
Sun Jan 07, 2018 3:15 am- Forum: GMAT Math
- Topic: Great circles question
- Replies: 3
- Views: 3006
Hi there, I think it is a little bit too late to answer your post, but just do it anyway, shall we? The problem is related to the limit of a function, just in case you want to have a deeper understand. When the variable x is as great as 3000, adding 1 or not to 2x does not affect its value. In anoth...
- by thucanh711
Sun Jan 07, 2018 2:58 am- Forum: GMAT Math
- Topic: If x>3,000, then x/(2x+1) is closest to...
- Replies: 5
- Views: 6516
I'm a newcomer. Please help me check my first AWA. Thank you
Hi there, I have just started my self-study for GMAT for 2 weeks. Therefore, it's hard for me to judge and evaluate my own piece of writing. I would love to hear your comments and advices on it. Thanks again. <i class="em em-blush"></i><i class="em em-blush"> The topic is taken ...
- by thucanh711
Sun Jan 07, 2018 2:29 am- Forum: GMAT Essays (AWA)
- Topic: I'm a newcomer. Please help me check my first AWA. Thank you
- Replies: 0
- Views: 1330