Coordinate geometry of triangle inscribed in circle

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lind0923: Newbie | Next Rank: 10 Posts; Posts: 9; Joined: Sat Nov 15, 2008 1:32 pm

by lind0923 » Fri Nov 28, 2008 11:14 am

Hi there!
Can anyone explain the proper way to solve this question?
The correct answer is: 1
Please see the attachment.
Thank you!!
Alicia

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90 degree triangle inscribed in semi-circle.doc: (66 KiB) Downloaded 156 times

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Source: Beat The GMAT — Problem Solving | Fri Nov 28, 2008 11:14 am

agoyal2: Senior | Next Rank: 100 Posts; Posts: 59; Joined: Fri Feb 29, 2008 9:00 am; Thanked: 4 times

The 30-60-90 Rule

by agoyal2 » Sat Nov 29, 2008 11:38 pm

Solve using the 30-60-90 rule:

https://www.beatthegmat.com/gmat-prep-ge ... t4660.html

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