Hey,
this was just asked a couple of days back...
Check here for the solution....
https://www.beatthegmat.com/what-is-the- ... 27181.html
Feel free to ask if you still have doubts...
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Points P and Q lie on circle O
Source: Beat The GMAT — Problem Solving |
just say alpha to one of the angels near 90 and you'll see the other is 90-alpha.
draw vertical lines to x axis from point p and q. you'll see there are 2 right triangels with angels alpha and 90-alpha and with the same-length hypotenuse equal to the radius.
after that it is too easy.
draw vertical lines to x axis from point p and q. you'll see there are 2 right triangels with angels alpha and 90-alpha and with the same-length hypotenuse equal to the radius.
after that it is too easy.
